# =============================================================================
# Dockerfile Multi-Target pour datacat
# Usage:
#   docker build --target back -t datacat/back:latest .
#   docker build --target front -t datacat/front:latest .
# =============================================================================

# -----------------------------------------------------------------------------
# Stage: base-node
# -----------------------------------------------------------------------------
FROM node:22-alpine AS base-node
RUN npm install -g pnpm@10.33.0
WORKDIR /app

# -----------------------------------------------------------------------------
# Stage: deps-back
# -----------------------------------------------------------------------------
FROM base-node AS deps-back
COPY pnpm-workspace.yaml ./
COPY package.json ./
COPY shared/package.json ./shared/
COPY back/package.json ./back/
RUN pnpm install --frozen-lockfile

# -----------------------------------------------------------------------------
# Stage: build-back
# -----------------------------------------------------------------------------
FROM deps-back AS build-back
COPY shared ./shared
COPY back ./back
WORKDIR /app/back
RUN pnpm run build

# -----------------------------------------------------------------------------
# Stage: deps-front
# -----------------------------------------------------------------------------
FROM base-node AS deps-front
COPY pnpm-workspace.yaml ./
COPY package.json ./
COPY shared/package.json ./shared/
COPY front-public/package.json ./front-public/
RUN pnpm install --frozen-lockfile

# -----------------------------------------------------------------------------
# Stage: build-front
# -----------------------------------------------------------------------------
FROM deps-front AS build-front
COPY shared ./shared
COPY front-public ./front-public
WORKDIR /app/front-public
ARG ANGULAR_API_URL=https://api.datacat.dev.chmod777.dev
ENV ANGULAR_API_URL=$ANGULAR_API_URL
RUN pnpm run build:prod

# =============================================================================
# IMAGES FINALES
# =============================================================================

# -----------------------------------------------------------------------------
# Target: back
# -----------------------------------------------------------------------------
FROM node:22-alpine AS back

# Install git (required by asyncapi html-template installer) and tools
RUN apk add --no-cache git

# Install AsyncAPI CLI and Redocly CLI for docs generation
RUN npm install -g pnpm@10.33.0 @asyncapi/cli@6.0.0 @redocly/cli

# Pre-cache the AsyncAPI html-template so generation works on first startup
RUN mkdir -p /tmp/asyncapi-warmup /tmp/asyncapi-warmup/out && \
    printf 'asyncapi: "3.0.0"\ninfo:\n  title: Warmup\n  version: "1.0.0"\nchannels: {}\n' \
      > /tmp/asyncapi-warmup/spec.yaml && \
    asyncapi generate fromTemplate /tmp/asyncapi-warmup/spec.yaml @asyncapi/html-template \
      --output /tmp/asyncapi-warmup/out --no-interactive --install --force-write 2>&1 || true && \
    rm -rf /tmp/asyncapi-warmup

WORKDIR /app

COPY --from=build-back /app/node_modules ./node_modules
COPY --from=build-back /app/shared ./shared
COPY --from=build-back /app/back/dist ./back/dist
COPY --from=build-back /app/back/package.json ./back/

# Volume mount point for generated docs
RUN mkdir -p /app/docs-output

ENV NODE_ENV=production
ENV PORT=3000
ENV DOCS_OUTPUT_DIR=/app/docs-output

EXPOSE 3000

HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/health || exit 1

WORKDIR /app/back
CMD ["node", "dist/main"]

# -----------------------------------------------------------------------------
# Target: front
# -----------------------------------------------------------------------------
FROM nginx:alpine AS front

COPY infra/nginx.conf /etc/nginx/conf.d/default.conf
COPY --from=build-front /app/front-public/dist/front-public/browser /usr/share/nginx/html

EXPOSE 80

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost/ || exit 1

CMD ["nginx", "-g", "daemon off;"]