# Install dependencies only when needed
FROM node:16-alpine AS deps
# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
RUN apk add --no-cache libc6-compat
WORKDIR /app

# Install dependencies based on the preferred package manager
COPY package.json yarn.lock ./
RUN yarn --frozen-lockfile

# Rebuild the source code only when needed
FROM node:16-alpine AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
COPY .env.template .env.production

# Next.js collects completely anonymous telemetry data about general usage.
# Learn more here: https://nextjs.org/telemetry
# Uncomment the following line in case you want to disable telemetry during the build.
# ENV NEXT_TELEMETRY_DISABLED 1

ARG SENTRY_DSN
ARG NEXT_PUBLIC_SENTRY_DSN
ARG SENTRY_CSP_REPORT_URI
ARG SENTRY_AUTH_TOKEN

# pass commit sha to the app (uses by sentry.io as release version)
ARG GIT_COMMIT_SHA
ENV NEXT_PUBLIC_GIT_COMMIT_SHA=$GIT_COMMIT_SHA

RUN yarn build

# Production image, copy all the files and run next
FROM node:16-alpine AS runner
WORKDIR /app

ENV NODE_ENV production
# Uncomment the following line in case you want to disable telemetry during runtime.
# ENV NEXT_TELEMETRY_DISABLED 1

RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

COPY --from=builder /app/next.config.js ./
COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./package.json

# Copy scripts and ENV templates file
COPY ./deploy/scripts/entrypoint.sh .
COPY ./deploy/scripts/replace_envs.sh .
COPY .env.template .

# Automatically leverage output traces to reduce image size
# https://nextjs.org/docs/advanced-features/output-file-tracing
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

# Execute script for replace build ENV with run ones
RUN apk add --no-cache --upgrade bash
RUN ["chmod", "+x", "./entrypoint.sh"]
RUN ["chmod", "+x", "./replace_envs.sh"]

ENTRYPOINT ["./entrypoint.sh"]

USER nextjs

EXPOSE 3000

ENV PORT 3000

CMD ["node", "server.js"]
