FROM node:20-alpine AS deps
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci --only=production

FROM node:20-alpine AS builder
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci
COPY . .
ENV NODE_ENV=production
ENV NEXT_PUBLIC_API_BASE_URL=http://battlbuilder-api:8080
RUN npm run build

FROM node:20-alpine AS runner
WORKDIR /app

COPY --from=deps /app/node_modules ./node_modules
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./package.json
EXPOSE 3000
CMD ["npm", "start"]