# ── Stage 1: Build frontend ───────────────────────────────────────────────────
FROM node:20-alpine AS frontend-build

WORKDIR /app/frontend

COPY frontend/package*.json ./
RUN npm ci

COPY frontend/ ./
RUN npm run build

# ── Stage 2: Build backend ────────────────────────────────────────────────────
FROM gradle:8-jdk21-alpine AS backend-build

WORKDIR /app/backend

COPY backend/build.gradle.kts backend/settings.gradle.kts ./
COPY backend/gradle ./gradle
RUN gradle dependencies --no-daemon --quiet || true

COPY backend/src ./src
RUN gradle bootJar --no-daemon -x test

# ── Stage 3: Final all-in-one image ───────────────────────────────────────────
FROM ubuntu:24.04

ENV DEBIAN_FRONTEND=noninteractive

RUN apt-get update && apt-get install -y \
    nginx \
    postgresql \
    supervisor \
    openjdk-21-jre-headless \
    && rm -rf /var/lib/apt/lists/*

# PostgreSQL data directory
RUN mkdir -p /var/lib/postgresql/data && chown -R postgres:postgres /var/lib/postgresql

# Copy frontend static files
COPY --from=frontend-build /app/frontend/dist /usr/share/nginx/html

# Copy backend JAR
RUN mkdir -p /app
COPY --from=backend-build /app/backend/build/libs/*.jar /app/app.jar

# Copy Nginx config (internal — backend is on localhost:8080)
COPY nginx/nginx.allinone.conf /etc/nginx/nginx.conf

# Copy Supervisor config
COPY docker/supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# Copy entrypoint
COPY docker/entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

EXPOSE 6969

ENTRYPOINT ["/entrypoint.sh"]