Dockerfile.prod

# Stage 1: Build
FROM haskell:9.6-slim AS builder

WORKDIR /app

# Install libpq-dev for postgresql-simple
RUN apt-get update && apt-get install -y \
    curl \
    gnupg \
    lsb-release \
    pkg-config \
    && curl -fsSL https://www.postgresql.org/media/keys/ACCC4CF8.asc | gpg --dearmor -o /usr/share/keyrings/postgresql.gpg \
    && echo "deb [signed-by=/usr/share/keyrings/postgresql.gpg] http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list \
    && apt-get update \
    && apt-get install -y libpq-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy cabal files first for dependency caching
COPY veritas.cabal cabal.project ./
RUN cabal update && cabal build --only-dependencies -j4 2>&1 || true

# Copy source and build the executable
COPY . .
RUN cabal build exe:veritas

# Copy the built binary to a known location
RUN cp $(cabal list-bin veritas) /app/veritas-bin

# Stage 2: Runtime
FROM debian:bookworm-slim

RUN apt-get update && apt-get install -y \
    libgmp10 \
    libpq5 \
    ca-certificates \
    && rm -rf /var/lib/apt/lists/*

COPY --from=builder /app/veritas-bin /usr/local/bin/veritas

EXPOSE 8080

CMD ["veritas"]