diff --git a/conf/nginx/dev4.4nkweb.com.conf b/conf/nginx/dev4.4nkweb.com.conf
index 94c400d..4819b1f 100644
--- a/conf/nginx/dev4.4nkweb.com.conf
+++ b/conf/nginx/dev4.4nkweb.com.conf
@@ -1,337 +1,92 @@
 # HTTP server for ACME and initial proxying
-# HTTP server for ACME and initial proxying
 server {
-server {
-    listen 80;
     listen 80;
     server_name dev4.4nkweb.com;
-    server_name dev4.4nkweb.com;
-
 
     # ACME HTTP-01 challenges
-    # ACME HTTP-01 challenges
-    location /.well-known/acme-challenge/ {
     location /.well-known/acme-challenge/ {
         root /var/www/letsencrypt;
-        root /var/www/letsencrypt;
-    }
     }
 
-
-    # ihm_client (root)
-    # ihm_client (root)
-    location / {
-    location / {
-        proxy_pass http://127.0.0.1:3003;
-        proxy_pass http://127.0.0.1:3003;
-        include /etc/nginx/proxy_params;
-        include /etc/nginx/proxy_params;
+    # API backend - route /back/ vers /api/ du backend
+    location ~* ^/back/(.*)$ {
+        proxy_pass http://127.0.0.1:8080/api/$1;
         proxy_http_version 1.1;
-        proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection "upgrade";
-        proxy_set_header Connection "upgrade";
-        proxy_read_timeout 300;
-        proxy_read_timeout 300;
-    }
-    }
-
-
-    # Favicon (global)
-    # Favicon (global)
-    location = /favicon.ico {
-    location = /favicon.ico {
-        root /home/debian/lecoffre_node/conf/nginx/assets;
-        root /home/debian/lecoffre_node/conf/nginx/assets;
-        try_files /favicon.ico =404;
-        try_files /favicon.ico =404;
-        access_log off;
-        access_log off;
-        expires 30d;
-        expires 30d;
-    }
-    }
-
-
-    # lecoffre-front
-    # lecoffre-front
-    location = /lecoffre {
-    location = /lecoffre {
-        proxy_pass http://127.0.0.2:3004/lecoffre;
-        proxy_pass http://127.0.0.2:3004/lecoffre;
-        include /etc/nginx/proxy_params;
-        include /etc/nginx/proxy_params;
-        proxy_set_header Host $host;
-        proxy_set_header Host $host;
-        proxy_set_header X-Forwarded-Proto http;
-        proxy_set_header X-Forwarded-Proto http;
-        proxy_set_header X-Forwarded-Host $host;
-        proxy_set_header X-Forwarded-Host $host;
-        proxy_set_header X-Forwarded-Prefix /lecoffre;
-        proxy_set_header X-Forwarded-Prefix /lecoffre;
-        proxy_read_timeout 300;
-        proxy_read_timeout 300;
-    }
-    }
-    location /lecoffre/ {
-    location /lecoffre/ {
-        proxy_pass http://127.0.0.2:3004;
-        proxy_pass http://127.0.0.2:3004;
-        include /etc/nginx/proxy_params;
-        include /etc/nginx/proxy_params;
-        proxy_set_header Host $host;
-        proxy_set_header Host $host;
-        proxy_set_header X-Forwarded-Proto http;
-        proxy_set_header X-Forwarded-Proto http;
-        proxy_set_header X-Forwarded-Host $host;
-        proxy_set_header X-Forwarded-Host $host;
-        proxy_set_header X-Forwarded-Prefix /lecoffre;
-        proxy_set_header X-Forwarded-Prefix /lecoffre;
-        proxy_read_timeout 300;
-        proxy_read_timeout 300;
-    }
-    }
-
-
-    # Next.js assets and HMR under basePath
-    # Next.js assets and HMR under basePath
-    location /lecoffre/_next/webpack-hmr {
-    location /lecoffre/_next/webpack-hmr {
-        proxy_http_version 1.1;
-        proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection "upgrade";
-        proxy_set_header Connection "upgrade";
-        proxy_set_header Host $host;
-        proxy_set_header Host $host;
-        proxy_set_header X-Forwarded-Proto http;
-        proxy_set_header X-Forwarded-Proto http;
-        proxy_buffering off;
-        proxy_buffering off;
-        proxy_pass http://127.0.0.2:3004/lecoffre/_next/webpack-hmr;
-        proxy_pass http://127.0.0.2:3004/lecoffre/_next/webpack-hmr;
-        proxy_read_timeout 600s;
-        proxy_read_timeout 600s;
-    }
-    }
-
-
-    location /lecoffre/_next/ {
-    location /lecoffre/_next/ {
-        proxy_pass http://127.0.0.2:3004/lecoffre/_next/;
-        proxy_pass http://127.0.0.2:3004/lecoffre/_next/;
-        include /etc/nginx/proxy_params;
-        include /etc/nginx/proxy_params;
-        proxy_read_timeout 300;
-        proxy_read_timeout 300;
-    }
-    }
-
-
-    # Favicon sous /lecoffre
-    # Favicon sous /lecoffre
-    location = /lecoffre/favicon.ico {
-    location = /lecoffre/favicon.ico {
-        root /home/debian/lecoffre_node/conf/nginx/assets;
-        root /home/debian/lecoffre_node/conf/nginx/assets;
-        try_files /favicon.ico =404;
-        try_files /favicon.ico =404;
-        access_log off;
-        access_log off;
-        expires 30d;
-        expires 30d;
-    }
-    }
-
-
-    # Next.js assets (served at root by the app)
-    # Next.js assets (served at root by the app)
-    location /_next/ {
-    location /_next/ {
-        proxy_pass http://127.0.0.2:3004/_next/;
-        proxy_pass http://127.0.0.2:3004/_next/;
-        include /etc/nginx/proxy_params;
-        include /etc/nginx/proxy_params;
-        proxy_read_timeout 300;
-        proxy_read_timeout 300;
-    }
-    }
-
-
-    # API backend
-    # API backend
-    location /back/ {
-        rewrite ^\/back\/(.*)$ \/api\/\1 break;
-        proxy_pass http:\/\/127.0.0.1:8080;
-    location /back/ {
-    location /back/ {
-        rewrite ^\/back\/(.*)$ \/api\/\1 break;
-        proxy_pass http:\/\/127.0.0.1:8080;
-    location /back/ {
-        proxy_pass http://127.0.0.1:8080/back/;
-        proxy_http_version 1.1;
-        proxy_http_version 1.1;
-        proxy_set_header Host $host;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto $scheme;
-        proxy_set_header X-Forwarded-Proto $scheme;
-        proxy_set_header Connection "";
         proxy_set_header Connection "";
         proxy_buffering off;
-        proxy_buffering off;
-    }
     }
 
-
-    # API alias → même backend que /back
-    # API alias → même backend que /back
+    # API direct - route /api/ vers le backend
     location /api/ {
-    location /api/ {
-        proxy_pass http://127.0.0.1:8080/;
-        proxy_pass http://127.0.0.1:8080/;
-        include /etc/nginx/proxy_params;
+        proxy_pass http://127.0.0.1:8080/api/;
         include /etc/nginx/proxy_params;
         proxy_read_timeout 300;
-        proxy_read_timeout 300;
-    }
+        proxy_connect_timeout 300;
+        proxy_send_timeout 300;
     }
 
+    # ihm_client (root)
+    location / {
+        proxy_pass http://127.0.0.1:3003;
+        include /etc/nginx/proxy_params;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_read_timeout 300;
+    }
+
+    # favicon
+    location = /favicon.ico {
+        root /home/debian/lecoffre_node/conf/nginx/assets;
+        try_files /favicon.ico =404;
+        access_log off;
+        expires 30d;
+    }
+
+    # lecoffre frontend
+    location = /lecoffre {
+        proxy_pass http://127.0.0.2:3004/lecoffre;
+        include /etc/nginx/proxy_params;
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-Proto http;
+    }
+
+    location /lecoffre/ {
+        proxy_pass http://127.0.0.2:3004/lecoffre/;
+        include /etc/nginx/proxy_params;
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_read_timeout 300;
+    }
+
+    # Next.js assets
+    location /_next/ {
+        proxy_pass http://127.0.0.2:3004/_next/;
+        include /etc/nginx/proxy_params;
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-Proto http;
+    }
 
     # blindbit
-    # blindbit
-    location /blindbit/ {
     location /blindbit/ {
-        proxy_pass http://127.0.0.1:8000/;
         proxy_pass http://127.0.0.1:8000/;
         include /etc/nginx/proxy_params;
-        include /etc/nginx/proxy_params;
-        proxy_read_timeout 300;
-        proxy_read_timeout 300;
     }
-    }
-
 
-    # signer (sdk_signer) avec support WebSocket
     # signer (sdk_signer) avec support WebSocket
     location /signer/ {
-    location /signer/ {
-        proxy_http_version 1.1;
-        proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection "upgrade";
-        proxy_set_header Connection "upgrade";
-        proxy_set_header Host $host;
-        proxy_set_header Host $host;
-        proxy_set_header X-Forwarded-Proto http;
-        proxy_set_header X-Forwarded-Proto http;
         proxy_pass http://127.0.0.1:3001/;
-        proxy_pass http://127.0.0.1:3001/;
-        proxy_read_timeout 600s;
-        proxy_read_timeout 600s;
-        proxy_buffering off;
-        proxy_buffering off;
-    }
-    }
-
-
-    # storage (sdk_storage)
-    # storage (sdk_storage)
-    location /storage/ {
-    location /storage/ {
-        proxy_pass http://127.0.0.1:8081/;
-        proxy_pass http://127.0.0.1:8081/;
-        include /etc/nginx/proxy_params;
         include /etc/nginx/proxy_params;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
         proxy_read_timeout 300;
-        proxy_read_timeout 300;
-    }
-    }
-
-
-    # WebSocket relay on /ws → 8090
-    # WebSocket relay on /ws → 8090
-    location = /ws {
-    location = /ws {
-        proxy_http_version 1.1;
-        proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection "upgrade";
-        proxy_set_header Connection "upgrade";
-        proxy_set_header Host $host;
-        proxy_set_header Host $host;
-        proxy_set_header X-Forwarded-Proto http;
-        proxy_set_header X-Forwarded-Proto http;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_buffering off;
-        proxy_buffering off;
-        proxy_pass http://127.0.0.1:8090/;
-        proxy_pass http://127.0.0.1:8090/;
-        proxy_read_timeout 600s;
-        proxy_read_timeout 600s;
-    }
-    }
-
-
-    location /ws/ {
-    location /ws/ {
-        proxy_http_version 1.1;
-        proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection "upgrade";
-        proxy_set_header Connection "upgrade";
-        proxy_set_header Host $host;
-        proxy_set_header Host $host;
-        proxy_set_header X-Forwarded-Proto http;
-        proxy_set_header X-Forwarded-Proto http;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_buffering off;
-        proxy_buffering off;
-        # Strip /ws prefix when proxying to backend root
-        # Strip /ws prefix when proxying to backend root
-        proxy_pass http://127.0.0.1:8090/;
-        proxy_pass http://127.0.0.1:8090/;
-        proxy_read_timeout 600s;
-        proxy_read_timeout 600s;
-    }
-    }
-
-
-    # Next.js HMR websocket for lecoffre-front
-    # Next.js HMR websocket for lecoffre-front
-    location /_next/webpack-hmr {
-    location /_next/webpack-hmr {
-        proxy_http_version 1.1;
-        proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection "upgrade";
-        proxy_set_header Connection "upgrade";
-        proxy_set_header Host $host;
-        proxy_set_header Host $host;
-        proxy_set_header X-Forwarded-Proto http;
-        proxy_set_header X-Forwarded-Proto http;
-        proxy_buffering off;
-        proxy_buffering off;
-        proxy_pass http://127.0.0.2:3004/_next/webpack-hmr;
-        proxy_pass http://127.0.0.2:3004/_next/webpack-hmr;
-        proxy_read_timeout 300;
-        proxy_read_timeout 300;
-    }
     }
 }
-}
diff --git a/conf/nginx/dev4.4nkweb.com.conf.clean b/conf/nginx/dev4.4nkweb.com.conf.clean
new file mode 100644
index 0000000..94c400d
--- /dev/null
+++ b/conf/nginx/dev4.4nkweb.com.conf.clean
@@ -0,0 +1,337 @@
+# HTTP server for ACME and initial proxying
+# HTTP server for ACME and initial proxying
+server {
+server {
+    listen 80;
+    listen 80;
+    server_name dev4.4nkweb.com;
+    server_name dev4.4nkweb.com;
+
+
+    # ACME HTTP-01 challenges
+    # ACME HTTP-01 challenges
+    location /.well-known/acme-challenge/ {
+    location /.well-known/acme-challenge/ {
+        root /var/www/letsencrypt;
+        root /var/www/letsencrypt;
+    }
+    }
+
+
+    # ihm_client (root)
+    # ihm_client (root)
+    location / {
+    location / {
+        proxy_pass http://127.0.0.1:3003;
+        proxy_pass http://127.0.0.1:3003;
+        include /etc/nginx/proxy_params;
+        include /etc/nginx/proxy_params;
+        proxy_http_version 1.1;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Connection "upgrade";
+        proxy_read_timeout 300;
+        proxy_read_timeout 300;
+    }
+    }
+
+
+    # Favicon (global)
+    # Favicon (global)
+    location = /favicon.ico {
+    location = /favicon.ico {
+        root /home/debian/lecoffre_node/conf/nginx/assets;
+        root /home/debian/lecoffre_node/conf/nginx/assets;
+        try_files /favicon.ico =404;
+        try_files /favicon.ico =404;
+        access_log off;
+        access_log off;
+        expires 30d;
+        expires 30d;
+    }
+    }
+
+
+    # lecoffre-front
+    # lecoffre-front
+    location = /lecoffre {
+    location = /lecoffre {
+        proxy_pass http://127.0.0.2:3004/lecoffre;
+        proxy_pass http://127.0.0.2:3004/lecoffre;
+        include /etc/nginx/proxy_params;
+        include /etc/nginx/proxy_params;
+        proxy_set_header Host $host;
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_set_header X-Forwarded-Host $host;
+        proxy_set_header X-Forwarded-Host $host;
+        proxy_set_header X-Forwarded-Prefix /lecoffre;
+        proxy_set_header X-Forwarded-Prefix /lecoffre;
+        proxy_read_timeout 300;
+        proxy_read_timeout 300;
+    }
+    }
+    location /lecoffre/ {
+    location /lecoffre/ {
+        proxy_pass http://127.0.0.2:3004;
+        proxy_pass http://127.0.0.2:3004;
+        include /etc/nginx/proxy_params;
+        include /etc/nginx/proxy_params;
+        proxy_set_header Host $host;
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_set_header X-Forwarded-Host $host;
+        proxy_set_header X-Forwarded-Host $host;
+        proxy_set_header X-Forwarded-Prefix /lecoffre;
+        proxy_set_header X-Forwarded-Prefix /lecoffre;
+        proxy_read_timeout 300;
+        proxy_read_timeout 300;
+    }
+    }
+
+
+    # Next.js assets and HMR under basePath
+    # Next.js assets and HMR under basePath
+    location /lecoffre/_next/webpack-hmr {
+    location /lecoffre/_next/webpack-hmr {
+        proxy_http_version 1.1;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Host $host;
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_buffering off;
+        proxy_buffering off;
+        proxy_pass http://127.0.0.2:3004/lecoffre/_next/webpack-hmr;
+        proxy_pass http://127.0.0.2:3004/lecoffre/_next/webpack-hmr;
+        proxy_read_timeout 600s;
+        proxy_read_timeout 600s;
+    }
+    }
+
+
+    location /lecoffre/_next/ {
+    location /lecoffre/_next/ {
+        proxy_pass http://127.0.0.2:3004/lecoffre/_next/;
+        proxy_pass http://127.0.0.2:3004/lecoffre/_next/;
+        include /etc/nginx/proxy_params;
+        include /etc/nginx/proxy_params;
+        proxy_read_timeout 300;
+        proxy_read_timeout 300;
+    }
+    }
+
+
+    # Favicon sous /lecoffre
+    # Favicon sous /lecoffre
+    location = /lecoffre/favicon.ico {
+    location = /lecoffre/favicon.ico {
+        root /home/debian/lecoffre_node/conf/nginx/assets;
+        root /home/debian/lecoffre_node/conf/nginx/assets;
+        try_files /favicon.ico =404;
+        try_files /favicon.ico =404;
+        access_log off;
+        access_log off;
+        expires 30d;
+        expires 30d;
+    }
+    }
+
+
+    # Next.js assets (served at root by the app)
+    # Next.js assets (served at root by the app)
+    location /_next/ {
+    location /_next/ {
+        proxy_pass http://127.0.0.2:3004/_next/;
+        proxy_pass http://127.0.0.2:3004/_next/;
+        include /etc/nginx/proxy_params;
+        include /etc/nginx/proxy_params;
+        proxy_read_timeout 300;
+        proxy_read_timeout 300;
+    }
+    }
+
+
+    # API backend
+    # API backend
+    location /back/ {
+        rewrite ^\/back\/(.*)$ \/api\/\1 break;
+        proxy_pass http:\/\/127.0.0.1:8080;
+    location /back/ {
+    location /back/ {
+        rewrite ^\/back\/(.*)$ \/api\/\1 break;
+        proxy_pass http:\/\/127.0.0.1:8080;
+    location /back/ {
+        proxy_pass http://127.0.0.1:8080/back/;
+        proxy_http_version 1.1;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header Connection "";
+        proxy_set_header Connection "";
+        proxy_buffering off;
+        proxy_buffering off;
+    }
+    }
+
+
+    # API alias → même backend que /back
+    # API alias → même backend que /back
+    location /api/ {
+    location /api/ {
+        proxy_pass http://127.0.0.1:8080/;
+        proxy_pass http://127.0.0.1:8080/;
+        include /etc/nginx/proxy_params;
+        include /etc/nginx/proxy_params;
+        proxy_read_timeout 300;
+        proxy_read_timeout 300;
+    }
+    }
+
+
+    # blindbit
+    # blindbit
+    location /blindbit/ {
+    location /blindbit/ {
+        proxy_pass http://127.0.0.1:8000/;
+        proxy_pass http://127.0.0.1:8000/;
+        include /etc/nginx/proxy_params;
+        include /etc/nginx/proxy_params;
+        proxy_read_timeout 300;
+        proxy_read_timeout 300;
+    }
+    }
+
+
+    # signer (sdk_signer) avec support WebSocket
+    # signer (sdk_signer) avec support WebSocket
+    location /signer/ {
+    location /signer/ {
+        proxy_http_version 1.1;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Host $host;
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_pass http://127.0.0.1:3001/;
+        proxy_pass http://127.0.0.1:3001/;
+        proxy_read_timeout 600s;
+        proxy_read_timeout 600s;
+        proxy_buffering off;
+        proxy_buffering off;
+    }
+    }
+
+
+    # storage (sdk_storage)
+    # storage (sdk_storage)
+    location /storage/ {
+    location /storage/ {
+        proxy_pass http://127.0.0.1:8081/;
+        proxy_pass http://127.0.0.1:8081/;
+        include /etc/nginx/proxy_params;
+        include /etc/nginx/proxy_params;
+        proxy_read_timeout 300;
+        proxy_read_timeout 300;
+    }
+    }
+
+
+    # WebSocket relay on /ws → 8090
+    # WebSocket relay on /ws → 8090
+    location = /ws {
+    location = /ws {
+        proxy_http_version 1.1;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Host $host;
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_buffering off;
+        proxy_buffering off;
+        proxy_pass http://127.0.0.1:8090/;
+        proxy_pass http://127.0.0.1:8090/;
+        proxy_read_timeout 600s;
+        proxy_read_timeout 600s;
+    }
+    }
+
+
+    location /ws/ {
+    location /ws/ {
+        proxy_http_version 1.1;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Host $host;
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_buffering off;
+        proxy_buffering off;
+        # Strip /ws prefix when proxying to backend root
+        # Strip /ws prefix when proxying to backend root
+        proxy_pass http://127.0.0.1:8090/;
+        proxy_pass http://127.0.0.1:8090/;
+        proxy_read_timeout 600s;
+        proxy_read_timeout 600s;
+    }
+    }
+
+
+    # Next.js HMR websocket for lecoffre-front
+    # Next.js HMR websocket for lecoffre-front
+    location /_next/webpack-hmr {
+    location /_next/webpack-hmr {
+        proxy_http_version 1.1;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Host $host;
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_set_header X-Forwarded-Proto http;
+        proxy_buffering off;
+        proxy_buffering off;
+        proxy_pass http://127.0.0.2:3004/_next/webpack-hmr;
+        proxy_pass http://127.0.0.2:3004/_next/webpack-hmr;
+        proxy_read_timeout 300;
+        proxy_read_timeout 300;
+    }
+    }
+}
+}
diff --git a/conf/nginx/dev4.4nkweb.com.conf.tmp b/conf/nginx/dev4.4nkweb.com.conf.tmp
new file mode 100644
index 0000000..b0e1d70
--- /dev/null
+++ b/conf/nginx/dev4.4nkweb.com.conf.tmp
@@ -0,0 +1,273 @@
+server {
+server {
+listen 80;
+listen 80;
+server_name dev4.4nkweb.com;
+server_name dev4.4nkweb.com;
+location /.well-known/acme-challenge/ {
+location /.well-known/acme-challenge/ {
+root /var/www/letsencrypt;
+root /var/www/letsencrypt;
+}
+}
+location / {
+location / {
+proxy_pass http://127.0.0.1:3003;
+proxy_pass http://127.0.0.1:3003;
+include /etc/nginx/proxy_params;
+include /etc/nginx/proxy_params;
+proxy_http_version 1.1;
+proxy_http_version 1.1;
+proxy_set_header Upgrade $http_upgrade;
+proxy_set_header Upgrade $http_upgrade;
+proxy_set_header Connection "upgrade";
+proxy_set_header Connection "upgrade";
+proxy_read_timeout 300;
+proxy_read_timeout 300;
+}
+}
+location = /favicon.ico {
+location = /favicon.ico {
+root /home/debian/lecoffre_node/conf/nginx/assets;
+root /home/debian/lecoffre_node/conf/nginx/assets;
+try_files /favicon.ico =404;
+try_files /favicon.ico =404;
+access_log off;
+access_log off;
+expires 30d;
+expires 30d;
+}
+}
+location = /lecoffre {
+location = /lecoffre {
+proxy_pass http://127.0.0.2:3004/lecoffre;
+proxy_pass http://127.0.0.2:3004/lecoffre;
+include /etc/nginx/proxy_params;
+include /etc/nginx/proxy_params;
+proxy_set_header Host $host;
+proxy_set_header Host $host;
+proxy_set_header X-Forwarded-Proto http;
+proxy_set_header X-Forwarded-Proto http;
+proxy_set_header X-Forwarded-Host $host;
+proxy_set_header X-Forwarded-Host $host;
+proxy_set_header X-Forwarded-Prefix /lecoffre;
+proxy_set_header X-Forwarded-Prefix /lecoffre;
+proxy_read_timeout 300;
+proxy_read_timeout 300;
+}
+}
+location /lecoffre/ {
+location /lecoffre/ {
+proxy_pass http://127.0.0.2:3004;
+proxy_pass http://127.0.0.2:3004;
+include /etc/nginx/proxy_params;
+include /etc/nginx/proxy_params;
+proxy_set_header Host $host;
+proxy_set_header Host $host;
+proxy_set_header X-Forwarded-Proto http;
+proxy_set_header X-Forwarded-Proto http;
+proxy_set_header X-Forwarded-Host $host;
+proxy_set_header X-Forwarded-Host $host;
+proxy_set_header X-Forwarded-Prefix /lecoffre;
+proxy_set_header X-Forwarded-Prefix /lecoffre;
+proxy_read_timeout 300;
+proxy_read_timeout 300;
+}
+}
+location /lecoffre/_next/webpack-hmr {
+location /lecoffre/_next/webpack-hmr {
+proxy_http_version 1.1;
+proxy_http_version 1.1;
+proxy_set_header Upgrade $http_upgrade;
+proxy_set_header Upgrade $http_upgrade;
+proxy_set_header Connection "upgrade";
+proxy_set_header Connection "upgrade";
+proxy_set_header Host $host;
+proxy_set_header Host $host;
+proxy_set_header X-Forwarded-Proto http;
+proxy_set_header X-Forwarded-Proto http;
+proxy_buffering off;
+proxy_buffering off;
+proxy_pass http://127.0.0.2:3004/lecoffre/_next/webpack-hmr;
+proxy_pass http://127.0.0.2:3004/lecoffre/_next/webpack-hmr;
+proxy_read_timeout 600s;
+proxy_read_timeout 600s;
+}
+}
+location /lecoffre/_next/ {
+location /lecoffre/_next/ {
+proxy_pass http://127.0.0.2:3004/lecoffre/_next/;
+proxy_pass http://127.0.0.2:3004/lecoffre/_next/;
+include /etc/nginx/proxy_params;
+include /etc/nginx/proxy_params;
+proxy_read_timeout 300;
+proxy_read_timeout 300;
+}
+}
+location = /lecoffre/favicon.ico {
+location = /lecoffre/favicon.ico {
+root /home/debian/lecoffre_node/conf/nginx/assets;
+root /home/debian/lecoffre_node/conf/nginx/assets;
+try_files /favicon.ico =404;
+try_files /favicon.ico =404;
+access_log off;
+access_log off;
+expires 30d;
+expires 30d;
+}
+}
+location /_next/ {
+location /_next/ {
+proxy_pass http://127.0.0.2:3004/_next/;
+proxy_pass http://127.0.0.2:3004/_next/;
+include /etc/nginx/proxy_params;
+include /etc/nginx/proxy_params;
+proxy_read_timeout 300;
+proxy_read_timeout 300;
+}
+}
+location /back/ {
+rewrite ^\/back\/(.*)$ \/api\/\1 break;
+proxy_pass http:\/\/127.0.0.1:8080;
+location /back/ {
+location /back/ {
+rewrite ^\/back\/(.*)$ \/api\/\1 break;
+proxy_pass http:\/\/127.0.0.1:8080;
+location /back/ {
+proxy_pass http://127.0.0.1:8080/back/;
+proxy_http_version 1.1;
+proxy_http_version 1.1;
+proxy_set_header Host $host;
+proxy_set_header Host $host;
+proxy_set_header X-Real-IP $remote_addr;
+proxy_set_header X-Real-IP $remote_addr;
+proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+proxy_set_header X-Forwarded-Proto $scheme;
+proxy_set_header X-Forwarded-Proto $scheme;
+proxy_set_header Connection "";
+proxy_set_header Connection "";
+proxy_buffering off;
+proxy_buffering off;
+}
+}
+location /api/ {
+location /api/ {
+proxy_pass http://127.0.0.1:8080/;
+proxy_pass http://127.0.0.1:8080/;
+include /etc/nginx/proxy_params;
+include /etc/nginx/proxy_params;
+proxy_read_timeout 300;
+proxy_read_timeout 300;
+}
+}
+location /blindbit/ {
+location /blindbit/ {
+proxy_pass http://127.0.0.1:8000/;
+proxy_pass http://127.0.0.1:8000/;
+include /etc/nginx/proxy_params;
+include /etc/nginx/proxy_params;
+proxy_read_timeout 300;
+proxy_read_timeout 300;
+}
+}
+location /signer/ {
+location /signer/ {
+proxy_http_version 1.1;
+proxy_http_version 1.1;
+proxy_set_header Upgrade $http_upgrade;
+proxy_set_header Upgrade $http_upgrade;
+proxy_set_header Connection "upgrade";
+proxy_set_header Connection "upgrade";
+proxy_set_header Host $host;
+proxy_set_header Host $host;
+proxy_set_header X-Forwarded-Proto http;
+proxy_set_header X-Forwarded-Proto http;
+proxy_pass http://127.0.0.1:3001/;
+proxy_pass http://127.0.0.1:3001/;
+proxy_read_timeout 600s;
+proxy_read_timeout 600s;
+proxy_buffering off;
+proxy_buffering off;
+}
+}
+location /storage/ {
+location /storage/ {
+proxy_pass http://127.0.0.1:8081/;
+proxy_pass http://127.0.0.1:8081/;
+include /etc/nginx/proxy_params;
+include /etc/nginx/proxy_params;
+proxy_read_timeout 300;
+proxy_read_timeout 300;
+}
+}
+location = /ws {
+location = /ws {
+proxy_http_version 1.1;
+proxy_http_version 1.1;
+proxy_set_header Upgrade $http_upgrade;
+proxy_set_header Upgrade $http_upgrade;
+proxy_set_header Connection "upgrade";
+proxy_set_header Connection "upgrade";
+proxy_set_header Host $host;
+proxy_set_header Host $host;
+proxy_set_header X-Forwarded-Proto http;
+proxy_set_header X-Forwarded-Proto http;
+proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+proxy_set_header X-Real-IP $remote_addr;
+proxy_set_header X-Real-IP $remote_addr;
+proxy_buffering off;
+proxy_buffering off;
+proxy_pass http://127.0.0.1:8090/;
+proxy_pass http://127.0.0.1:8090/;
+proxy_read_timeout 600s;
+proxy_read_timeout 600s;
+}
+}
+location /ws/ {
+location /ws/ {
+proxy_http_version 1.1;
+proxy_http_version 1.1;
+proxy_set_header Upgrade $http_upgrade;
+proxy_set_header Upgrade $http_upgrade;
+proxy_set_header Connection "upgrade";
+proxy_set_header Connection "upgrade";
+proxy_set_header Host $host;
+proxy_set_header Host $host;
+proxy_set_header X-Forwarded-Proto http;
+proxy_set_header X-Forwarded-Proto http;
+proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+proxy_set_header X-Real-IP $remote_addr;
+proxy_set_header X-Real-IP $remote_addr;
+proxy_buffering off;
+proxy_buffering off;
+proxy_pass http://127.0.0.1:8090/;
+proxy_pass http://127.0.0.1:8090/;
+proxy_read_timeout 600s;
+proxy_read_timeout 600s;
+}
+}
+location /_next/webpack-hmr {
+location /_next/webpack-hmr {
+proxy_http_version 1.1;
+proxy_http_version 1.1;
+proxy_set_header Upgrade $http_upgrade;
+proxy_set_header Upgrade $http_upgrade;
+proxy_set_header Connection "upgrade";
+proxy_set_header Connection "upgrade";
+proxy_set_header Host $host;
+proxy_set_header Host $host;
+proxy_set_header X-Forwarded-Proto http;
+proxy_set_header X-Forwarded-Proto http;
+proxy_buffering off;
+proxy_buffering off;
+proxy_pass http://127.0.0.2:3004/_next/webpack-hmr;
+proxy_pass http://127.0.0.2:3004/_next/webpack-hmr;
+proxy_read_timeout 300;
+proxy_read_timeout 300;
+}
+}
+}
+}