55 lines
1.2 KiB
Docker
55 lines
1.2 KiB
Docker
# Multi-stage build for optimized production image
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FROM rust:1.83 as builder
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WORKDIR /app
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# Copy manifests for dependency caching
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COPY Cargo.toml Cargo.lock* ./
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# Create dummy source for dependency caching
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RUN mkdir -p src && \
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echo "fn main() {}" > src/main.rs && \
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cargo build --release && \
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rm -rf src
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# Copy the actual source code
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COPY src/ src/
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# Force rebuild with actual source
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RUN touch src/main.rs && rm -f target/release/calendar-microservice && cargo build --release
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# Runtime stage
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FROM debian:bookworm-slim
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WORKDIR /app
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# Install runtime dependencies
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RUN apt-get update && \
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apt-get install -y --no-install-recommends ca-certificates libssl3 curl && \
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rm -rf /var/lib/apt/lists/*
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# Create non-root user
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RUN useradd -r -s /bin/false appuser
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# Copy the built binary
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COPY --from=builder /app/target/release/calendar-microservice /app/calendar-microservice
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# Set ownership
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RUN chown appuser:appuser /app/calendar-microservice
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# Switch to non-root user
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USER appuser
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# Environment defaults
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ENV HOST=0.0.0.0
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ENV PORT=4000
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ENV RUST_LOG=info
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EXPOSE 4000
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# Health check
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HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
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CMD curl -f http://localhost:4000/api/v1/health || exit 1
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CMD ["/app/calendar-microservice"]
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