# syntax=docker/dockerfile:1
FROM node:20-alpine AS base
WORKDIR /app
ENV NEXT_TELEMETRY_DISABLED=1
RUN apk add --no-cache libc6-compat

# ---- deps: ติดตั้งพร้อม devDeps โดยไม่ต้องตั้ง NODE_ENV=development ----
FROM base AS deps
RUN corepack enable
COPY . .
RUN set -eux; \
    if [ -f pnpm-lock.yaml ]; then pnpm install --frozen-lockfile --prod=false; \
    elif [ -f yarn.lock ]; then yarn install --frozen-lockfile --production=false; \
    elif [ -f package-lock.json ]; then npm ci --include=dev; \
    else npm install; \
    fi

# ---- builder: ใช้ deps เดิม สร้างโปรดักชันบิลด์ ----
FROM base AS builder
RUN corepack enable
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN set -eux; \
    if [ -f pnpm-lock.yaml ]; then pnpm run build; \
    elif [ -f yarn.lock ]; then yarn build; \
    else npm run build; \
    fi

# ---- prod-deps: เอาเฉพาะ production deps ----
FROM base AS prod-deps
RUN corepack enable
COPY . .
RUN set -eux; \
    if [ -f pnpm-lock.yaml ]; then pnpm install --frozen-lockfile --prod --no-optional; \
    elif [ -f yarn.lock ]; then (yarn workspaces focus --all --production || yarn install --frozen-lockfile --production=true); \
    elif [ -f package-lock.json ]; then npm ci --omit=dev; \
    else npm install --omit=dev; \
    fi

# ---- runner ----
FROM node:20-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production
ENV HOSTNAME=0.0.0.0
ENV PORT=3000
ENV NEXT_TELEMETRY_DISABLED=1

RUN apk add --no-cache libc6-compat \
 && addgroup -g 1001 -S nodejs \
 && adduser -S nextjs -u 1001 -G nodejs

COPY --from=builder   /app/public        ./public
COPY --from=builder   /app/.next         ./.next
COPY --from=builder   /app/package.json  ./package.json
COPY --from=prod-deps /app/node_modules  ./node_modules

USER nextjs
EXPOSE 3000
CMD ["npm", "run", "start"]