Initial project structure in Rust with Rocket

Dockerfile

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+# --------------------
+# STAGE 1: The Builder
+FROM rust:1.96 as builder
+
+WORKDIR /app
+COPY Cargo.* ./
+
+# Create a dummy main.rs so the dependencies can be compiled and cached
+RUN mkdir src && \
+    echo "fn main() { println!(\"dummy\"); }" > src/main.rs
+RUN cargo build --release
+
+# Copy in the real source code changes
+COPY src ./src
+# Run the real build command
+RUN cargo build --release 
+
+# --------------------
+# STAGE 2: The Final, Minimal Image
+FROM debian:stable-slim
+
+WORKDIR /usr/src/druid
+
+# Copy ONLY the compiled binary from the builder stage
+COPY --from=builder /app/target/release/druid /usr/local/bin
+
+ENV ROCKET_ADDRESS=0.0.0.0
+
+# Define the command that runs your application
+CMD ["/usr/local/bin/druid"]