# Multi-stage Dockerfile for Commitor
# This creates an optimized container image for the Commitor CLI tool
# Build stage
FROM rust:1.75-slim as builder
# Install system dependencies needed for building
RUN apt-get update && apt-get install -y \
pkg-config \
libssl-dev \
git \
&& rm -rf /var/lib/apt/lists/*
# Set working directory
WORKDIR /app
# Copy dependency files first for better caching
COPY Cargo.toml Cargo.lock ./
# Create a dummy main.rs to build dependencies
RUN mkdir src && echo "fn main() {}" > src/main.rs
# Build dependencies only (this layer will be cached)
RUN cargo build --release && rm -rf src
# Copy the actual source code
COPY src ./src
COPY examples ./examples
COPY tests ./tests
# Build the actual application
RUN cargo build --release
# Runtime stage
FROM debian:bookworm-slim
# Install runtime dependencies
RUN apt-get update && apt-get install -y \
ca-certificates \
git \
curl \
&& rm -rf /var/lib/apt/lists/*
# Create a non-root user
RUN useradd -m -u 1000 commitor
# Copy the binary from builder stage
COPY --from=builder /app/target/release/commitor /usr/local/bin/commitor
# Make binary executable
RUN chmod +x /usr/local/bin/commitor
# Switch to non-root user
USER commitor
# Set working directory to user home
WORKDIR /home/commitor
# Set up git config (can be overridden at runtime)
RUN git config --global user.name "Commitor Bot" && \
git config --global user.email "commitor@example.com"
# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
CMD commitor --help || exit 1
# Default command
ENTRYPOINT ["commitor"]
CMD ["--help"]
# Metadata
LABEL maintainer="Commitor Team"
LABEL description="AI-powered conventional commit message generator"
LABEL version="0.1.0"
LABEL org.opencontainers.image.source="https://github.com/yourusername/commitor"
LABEL org.opencontainers.image.documentation="https://github.com/yourusername/commitor/blob/main/README.md"
LABEL org.opencontainers.image.licenses="MIT"