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51l3nt51n-blog/Dockerfile

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Docker

# Build Stage
FROM rust:1.85-bookworm AS builder
WORKDIR /app
# Cache dependencies
# We create a dummy project to build only dependencies
RUN cargo new --bin blog_cms
COPY Cargo.toml Cargo.lock ./
RUN cargo build --release
RUN rm src/*.rs
# Copy real source
COPY src ./src
COPY templates ./templates
# The templates are needed during compilation by askama
# Rebuild the real source
RUN touch src/main.rs && cargo build --release
# Final Stage
FROM debian:bookworm-slim
WORKDIR /app
# Install runtime dependencies (like SSL certificates and sqlite)
RUN apt-get update && apt-get install -y \
ca-certificates \
libsqlite3-0 \
&& rm -rf /var/lib/apt/lists/*
# Copy the binary from the builder
COPY --from=builder /app/target/release/blog_cms .
# Create directory for attachments and database
RUN mkdir -p attachments
# Default environment variables
ENV PORT=3000
ENV DATABASE_URL=sqlite:///app/data.db
# Expose the application port
EXPOSE 3000
# Start the application
CMD ["./blog_cms"]