44 lines
1.0 KiB
Docker
44 lines
1.0 KiB
Docker
# 1. Builder Stage
|
|
FROM rust:1.92 AS builder
|
|
|
|
WORKDIR /app
|
|
|
|
# --- OPTIMIZATION: Dependency Caching ---
|
|
# 1. Create a dummy project to cache dependencies
|
|
RUN mkdir src
|
|
RUN echo "fn main() {}" > src/main.rs
|
|
|
|
# 2. Copy manifests
|
|
COPY Cargo.toml Cargo.lock ./
|
|
|
|
# 3. Build only dependencies (this layer is cached until Cargo.toml changes)
|
|
RUN cargo build --release
|
|
|
|
# 4. Now remove dummy source and copy your actual source
|
|
# We 'touch' main.rs to ensure Cargo realizes it needs a rebuild
|
|
RUN rm -rf src
|
|
COPY . .
|
|
RUN touch src/main.rs
|
|
|
|
# 5. Build the actual application
|
|
RUN cargo build --release
|
|
|
|
# 2. Runtime Stage
|
|
FROM debian:bookworm-slim
|
|
|
|
WORKDIR /app
|
|
|
|
# Install OpenSSL & CA Certificates
|
|
RUN apt-get update && \
|
|
apt-get install -y libssl3 ca-certificates && \
|
|
rm -rf /var/lib/apt/lists/*
|
|
|
|
# Copy the binary from builder
|
|
# Note: Ensure the binary name matches 'package.name' in Cargo.toml ("server")
|
|
COPY --from=builder /app/target/release/server .
|
|
|
|
# Documentation for ports
|
|
EXPOSE 3000
|
|
|
|
# Run the binary
|
|
CMD ["./server"] |