Dockerfile

# Install dependencies only when needed
# Stage 0
FROM node:16-alpine AS deps
WORKDIR /app

COPY package.json ./
RUN yarn install --frozen-lockfile
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# Rebuild the source code only when needed
# Stage 1
FROM node:16-alpine AS builder
WORKDIR /app

COPY . .
COPY --from=deps /app/node_modules ./node_modules
RUN yarn build 
#############################################


# Production image, copy only production files
# Stage 2
FROM node:16-alpine AS prod
WORKDIR /app


RUN addgroup -g 1001 -S nodejs
RUN adduser -S web -u 1001

COPY --from=builder /app/next.config.js ./
COPY --from=builder /app/public ./public
COPY --from=builder --chown=web:nodejs /app/.next ./.next
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./package.json

USER web
EXPOSE 3000
ENV PORT 3000
ENV NEXT_TELEMETRY_DISABLED 1

CMD ["yarn", "start"]
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# development image, copy all the files and run
# Stage 3
FROM node:16-alpine AS dev
WORKDIR /app


RUN addgroup -g 1001 -S nodejs
RUN adduser -S web -u 1001

COPY --from=builder --chown=web:nodejs /app/ ./

USER web
EXPOSE 3000
ENV PORT 3000
ENV NEXT_TELEMETRY_DISABLED 1

CMD ["yarn", "dev"]
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