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asle/backend/Dockerfile

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FROM node:20-alpine AS base
# Install dependencies only when needed
FROM base AS deps
RUN apk add --no-cache libc6-compat
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm ci
# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
# Generate Prisma Client
RUN npx prisma generate
RUN npm run build
# Production image, copy all the files and run the app
FROM base AS runner
WORKDIR /app
ENV NODE_ENV production
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nodejs
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/prisma ./prisma
COPY --from=builder /app/package.json ./package.json
USER nodejs
EXPOSE 4000
ENV PORT 4000
CMD ["node", "dist/index.js"]