Dockerfile.dev

# Development Dockerfile with hot reload support

FROM rust:1.93-alpine

# Install development dependencies
# Includes Node.js and npm for TypeScript/JavaScript plugin development
RUN apk add --no-cache \
    pkgconf \
    openssl-dev \
    openssl-libs-static \
    musl-dev \
    build-base \
    postgresql-client \
    curl \
    libstdc++ \
    libgcc \
    clang \
    mold \
    nodejs \
    npm

# Install uv (fast Python package manager) for Python plugin development
# uv provides 'uvx' command for running Python packages without installation
RUN wget -qO- https://astral.sh/uv/install.sh | sh && \
    mv /root/.local/bin/uv /usr/local/bin/uv && \
    mv /root/.local/bin/uvx /usr/local/bin/uvx

# Install PDFium library for PDF page rendering
# This enables rendering of text-only and vector PDF pages in development
# Note: Downloads architecture-specific binary based on TARGETARCH
ARG TARGETARCH
ARG PDFIUM_VERSION=latest
RUN if [ "$TARGETARCH" = "arm64" ]; then \
        wget -q -O- https://github.com/bblanchon/pdfium-binaries/releases/${PDFIUM_VERSION}/download/pdfium-linux-musl-arm64.tgz \
        | tar -xz -C /usr/local; \
    else \
        wget -q -O- https://github.com/bblanchon/pdfium-binaries/releases/${PDFIUM_VERSION}/download/pdfium-linux-musl-x64.tgz \
        | tar -xz -C /usr/local; \
    fi

# Ensure PDFium library can be found at runtime
# Create symlink in /usr/lib for standard library search path
RUN ln -sf /usr/local/lib/libpdfium.so /usr/lib/libpdfium.so
ENV LD_LIBRARY_PATH=/usr/local/lib:/usr/lib

# Install cargo-watch for hot reloading and cargo-nextest for fast parallel tests
RUN cargo install cargo-watch cargo-nextest --locked

WORKDIR /app

# Copy Cargo workspace files for dependency caching
COPY Cargo.toml Cargo.lock ./
COPY .cargo/ ./.cargo/
COPY migration/Cargo.toml ./migration/

# Create dummy source files to build dependencies
# Disable static linking to enable dlopen() for PDFium dynamic loading
# This is required because musl's static linking doesn't support dlopen()
ENV OPENSSL_STATIC=1
ENV RUSTFLAGS="-C target-feature=-crt-static"
RUN mkdir -p src migration/src && \
    echo "fn main() {}" > src/main.rs && \
    echo "pub use sea_orm_migration::prelude::*; pub struct Migrator; impl MigratorTrait for Migrator { fn migrations() -> Vec<Box<dyn MigrationTrait>> { vec![] } }" > migration/src/lib.rs && \
    cargo build && \
    rm -rf src migration/src target/debug/.fingerprint/codex-* target/debug/.fingerprint/migration-*

# Copy the rest of the application
COPY . .

# Expose the application port
EXPOSE 8080

# Use cargo-watch for hot reloading
# Ignore frontend files and other non-Rust files to avoid unnecessary rebuilds
CMD ["cargo", "watch", \
    "-w", ".cargo-watch.toml", \
    "-w", "Cargo.toml", \
    "-w", "Cargo.lock", \
    "-w", "src/", \
    "-w", "migration/", \
    "-i", "web/**", \
    "-i", "docs/**", \
    "-i", "*.md", \
    "-i", "Dockerfile*", \
    "-i", "docker-compose*.yml", \
    "-x", "run -- serve --config /app/config/config.docker.yaml"]