Dockerfile

# Stage 1: Build the application
FROM rust:1.82-slim AS builder

WORKDIR /usr/src/app

# Copy the Cargo files for dependency caching
COPY Cargo.toml Cargo.lock ./

# Create a dummy main.rs to build dependencies
RUN mkdir -p src && \
    echo "fn main() {}" > src/main.rs && \
    cargo build --release && \
    rm -rf src

# Copy the actual source code
COPY src/ src/

# Build the application
RUN cargo build --release

# Stage 2: Create the runtime image
FROM debian:bookworm-slim

WORKDIR /app

# Install OpenSSL and CA certificates (often needed for HTTPS/TLS)
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    ca-certificates \
    libssl3 && \
    rm -rf /var/lib/apt/lists/*

# Copy the binary from the builder stage
COPY --from=builder /usr/src/app/target/release/mustermann /app/mustermann

# Copy the entrypoint script
COPY entrypoint.sh /app/entrypoint.sh
RUN chmod +x /app/entrypoint.sh

# Set the entrypoint script
ENTRYPOINT ["/app/entrypoint.sh"]

# Default command line arguments (can be overridden)
CMD ["--log", "stdout"]