69 lines
1.7 KiB
Docker
69 lines
1.7 KiB
Docker
# Multi-stage build for C++ finger service
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# Build stage - use Ubuntu with all development dependencies
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FROM ubuntu:24.04 AS builder
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# Avoid interactive prompts during package installation
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ENV DEBIAN_FRONTEND=noninteractive
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# Install build dependencies
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RUN apt-get update && apt-get install -y \
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build-essential \
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meson \
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ninja-build \
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pkg-config \
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libboost-all-dev \
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libgtest-dev \
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libgmock-dev \
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&& rm -rf /var/lib/apt/lists/*
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# Set working directory
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WORKDIR /app
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# Copy source files
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COPY . .
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# Build the project
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RUN meson setup builddir --buildtype=release
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RUN meson compile -C builddir
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# Run tests to ensure quality
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RUN meson test -C builddir
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# Runtime stage - minimal Alpine Linux
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FROM alpine:latest
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# Install runtime dependencies (if any)
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RUN apk add --no-cache \
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libstdc++ \
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&& addgroup -g 1000 finger \
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&& adduser -D -s /bin/sh -u 1000 -G finger finger
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# Copy the compiled binary from builder stage
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COPY --from=builder /app/builddir/finger /usr/local/bin/finger
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# Make the binary executable
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RUN chmod +x /usr/local/bin/finger
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# Create the directory for user data with proper permissions
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RUN mkdir -p /var/finger/users && \
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chown -R finger:finger /var/finger
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# Switch to non-root user
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USER finger
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# Expose port 79 (finger protocol)
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EXPOSE 79
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# Add health check
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD nc -z localhost 79 || exit 1
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# Set metadata labels
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LABEL org.opencontainers.image.title="finger"
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LABEL org.opencontainers.image.description="A silly finger service written in C++20"
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LABEL org.opencontainers.image.source="https://github.com/waffle2k/finger"
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LABEL org.opencontainers.image.licenses="MIT"
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# Set the binary as the default command
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CMD ["finger"]
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