Add Dockerfile

Dockerfile

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+FROM rust:latest AS builder
+WORKDIR /app
+
+# 1) Copie de la dépendance locale d'abord
+COPY sdk_common sdk_common/
+
+# 2) Copie des fichiers de sdk_relay
+COPY sdk_relay/Cargo.toml sdk_relay/Cargo.lock sdk_relay/
+COPY sdk_relay/src sdk_relay/src/
+
+# 3) Build dans le dossier sdk_relay
+WORKDIR /app/sdk_relay
+RUN cargo build --release
+
+# ---- image finale ----
+FROM debian:bookworm-slim
+RUN apt-get update && apt-get install -y ca-certificates strace
+
+# Créer l'utilisateur bitcoin
+RUN useradd -m -d /home/bitcoin -u 1000 bitcoin
+
+COPY --from=builder /app/sdk_relay/target/release/sdk_relay /usr/local/bin/sdk_relay
+COPY sdk_relay/.conf /home/bitcoin/.conf
+
+# Créer le répertoire .4nk avec les bonnes permissions
+RUN mkdir -p /home/bitcoin/.4nk && \
+    chown -R bitcoin:bitcoin /home/bitcoin/.4nk && \
+    chmod 755 /home/bitcoin/.4nk
+
+WORKDIR /home/bitcoin
+USER bitcoin
+ENV HOME=/home/bitcoin
+
+VOLUME ["/home/bitcoin/.4nk"]
+VOLUME ["/home/bitcoin/.bitcoin"]
+
+EXPOSE 8090 8091
+ENTRYPOINT ["sdk_relay", "--config", ".conf"]