Dockerfile

# Build stage - compile and test with CGO/FTS5 support
FROM golang:1.25-bookworm AS builder

# Install build dependencies and test runtime
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    libsqlite3-dev \
    nodejs \
    npm \
    chromium \
    libnss3 \
    libfreetype6 \
    libharfbuzz0b \
    ca-certificates \
    fonts-freefont-ttf \
    && rm -rf /var/lib/apt/lists/*

# Set Playwright to use system Chromium
ENV PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1
ENV PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH=/usr/bin/chromium

WORKDIR /app

# Copy go mod files first for better caching
COPY go.mod go.sum ./
RUN go mod download

# Copy e2e package files and install dependencies
COPY e2e/package*.json ./e2e/
RUN cd e2e && npm ci

# Copy all source code
COPY . .

# Set CGO flags for FTS5 support
ENV CGO_ENABLED=1
ENV CGO_CFLAGS="-DSQLITE_ENABLE_FTS5"
ENV CGO_LDFLAGS="-lm"

# Run Go unit tests - build fails if tests fail
RUN go test -v ./...

# Build the production binary
RUN go build -ldflags="-s -w" -o bin/promptbin ./cmd/server

# Run E2E tests against the built server
ENV DATABASE_PATH=:memory:
ENV PORT=8081
ENV ALLOWED_ORIGIN=http://localhost:8081
RUN ./bin/promptbin & SERVER_PID=$! && \
    sleep 2 && \
    cd e2e && npx playwright test --project=chromium; \
    TEST_EXIT=$?; \
    kill $SERVER_PID 2>/dev/null; \
    exit $TEST_EXIT

# Runtime stage - minimal image
FROM debian:bookworm-slim

# Install runtime dependencies
RUN apt-get update \
    && apt-get install -y --no-install-recommends libsqlite3-0 wget ca-certificates \
    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

# Non-root user for security
RUN useradd --no-create-home --shell /sbin/nologin --uid 10001 promptbin \
    && mkdir -p /data \
    && chown promptbin:promptbin /data

WORKDIR /app

# Copy binary from builder
COPY --from=builder /app/bin/promptbin .

USER promptbin

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget -qO- http://localhost:8080/health || exit 1

CMD ["./promptbin"]