Initial Commit

backend/Dockerfile

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+FROM rust:latest AS builder
+
+WORKDIR /app
+
+ENV CARGO_HOME=/usr/local/cargo
+ENV CARGO_TARGET_DIR=/app/target
+
+RUN apt-get update && apt-get install -y pkg-config libssl-dev
+
+COPY Cargo.toml ./
+
+# clean build (important)
+RUN cargo clean || true
+
+RUN mkdir src && echo "fn main() {}" > src/main.rs
+RUN cargo build --release
+
+RUN rm -rf src
+COPY src ./src
+
+RUN cargo build --release