# BtToxin Pipeline - Production Dockerfile
# Optimized for Traefik deployment with unified context

# ===========================
# Stage 1: Builder (Environment & Code)
# ===========================
FROM ghcr.io/prefix-dev/pixi:latest AS builder
WORKDIR /app

# Copy entire project context (filtered by .dockerignore)
COPY . .

# Install dependencies
RUN pixi install

# Setup external database for BtToxin_Digger
# Using the copy from tools directory included in COPY . .
RUN DIGGER_PREFIX=$(pixi info --json | grep -A 5 '"name": "digger"' | grep '"prefix":' | cut -d '"' -f 4) && \
    mkdir -p $DIGGER_PREFIX/bin/BTTCMP_db/bt_toxin && \
    rm -rf $DIGGER_PREFIX/bin/BTTCMP_db/bt_toxin/* && \
    cp -r /app/tools/bttoxin_digger/external_dbs/bt_toxin/* $DIGGER_PREFIX/bin/BTTCMP_db/bt_toxin/ && \
    echo "Overwrote internal database with version from external_dbs"

# Create shell hook for webbackend environment
RUN pixi shell-hook -e webbackend > /shell-hook.sh && \
    echo 'exec "$@"' >> /shell-hook.sh

# ===========================
# Stage 2: Frontend Builder
# ===========================
FROM node:20 AS frontend-builder
WORKDIR /app
ENV CI=true

# Optimization: Copy package files first to leverage Docker cache
COPY frontend/package.json frontend/pnpm-lock.yaml* ./

# Optimization: Limit concurrency to avoid EAGAIN errors
RUN npm install -g pnpm && \
    pnpm config set registry https://registry.npmmirror.com && \
    pnpm config set network-concurrency 1 && \
    pnpm config set package-import-method copy && \
    pnpm install --no-frozen-lockfile

# Copy remaining source code
COPY frontend/ .

RUN pnpm build

# ===========================
# Stage 3: Production (Runtime)
# ===========================
FROM ghcr.io/prefix-dev/pixi:latest AS production
WORKDIR /app

# Install runtime dependencies
RUN apt-get clean && \
    apt-get update -o Acquire::CompressionTypes::Order::=gz -o Acquire::http::No-Cache=True -o Acquire::http::Pipeline-Depth=0 && \
    apt-get install -y --no-install-recommends \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copy entire prepared application directory (Code + Environment + Data)
COPY --from=builder /app /app

# Copy shell hook
COPY --from=builder /shell-hook.sh /shell-hook.sh

# Copy built frontend assets
COPY --from=frontend-builder /app/dist /app/frontend/dist

# Set permissions and cleanup
RUN chmod -R 755 /app/frontend/dist && \
    mkdir -p /app/jobs && chmod 777 /app/jobs

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

ENTRYPOINT ["/bin/bash", "/shell-hook.sh"]
CMD ["uvicorn", "backend.app.main_spa:app", "--host", "0.0.0.0", "--port", "8000"]