45 lines
971 B
Docker
45 lines
971 B
Docker
# Build stage
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FROM rust:alpine AS builder
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# Install build dependencies
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RUN apk add --no-cache musl-dev
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WORKDIR /usr/src/dhl
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# 1. Copy only the dependency manifests
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COPY Cargo.toml Cargo.lock ./
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# 2. Create a dummy source file to build dependencies
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RUN mkdir src && echo "fn main() {}" > src/main.rs && \
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cargo build --release && \
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rm -rf src
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# 3. Now copy the real source code
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COPY src ./src
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# 4. Build the actual application
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# We touch the main file to ensure cargo rebuilds it
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RUN touch src/main.rs && cargo build --release
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# Final stage
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FROM alpine:latest
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# Set environment variable to signal the app it's running in Docker
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ENV DOCKER_CONTAINER=true
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# Install runtime dependencies
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RUN apk add --no-cache ca-certificates
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WORKDIR /app
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# Copy the binary from the builder stage
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COPY --from=builder /usr/src/dhl/target/release/dhl /usr/local/bin/dhl
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# Volume for configuration and response files
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VOLUME ["/app"]
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# Default port
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EXPOSE 3000
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CMD ["dhl"]
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