FROM node:lts-alpine3.18 AS base

# Install dependencies only when needed
FROM base 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
# It should use .npmrc
COPY package.json  package-lock.json* ./
RUN \
  if [ -f package-lock.json ]; then npm ci; \
  else echo "Lockfile not found." && exit 1; \
  fi


# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# 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 NEXT_PUBLIC_API_URL
ARG NEXT_PUBLIC_CERBEROS_API_URL
ARG NEXT_PUBLIC_APP_ID
ARG NEXT_PUBLIC_REDIRECT_URI
ARG NEXT_PUBLIC_SCOPE
ARG NEXT_PUBLIC_AUTHORITY
ARG NEXT_PUBLIC_LOGOUT_URI
ARG NEXT_PUBLIC_ACCESS_AS_USER

ENV NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL
ENV NEXT_PUBLIC_CERBEROS_API_URL=$NEXT_PUBLIC_CERBEROS_API_URL
ENV NEXT_PUBLIC_APP_ID=$NEXT_PUBLIC_APP_ID
ENV NEXT_PUBLIC_REDIRECT_URI=$NEXT_PUBLIC_REDIRECT_URI
ENV NEXT_PUBLIC_SCOPE=$NEXT_PUBLIC_SCOPE
ENV NEXT_PUBLIC_AUTHORITY=$NEXT_PUBLIC_AUTHORITY
ENV NEXT_PUBLIC_LOGOUT_URI=$NEXT_PUBLIC_LOGOUT_URI
ENV NEXT_PUBLIC_ACCESS_AS_USER=$NEXT_PUBLIC_ACCESS_AS_USER

RUN echo "NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL"
RUN echo "NEXT_PUBLIC_CERBEROS_API_URL=$NEXT_PUBLIC_CERBEROS_API_URL"
RUN echo "NEXT_PUBLIC_APP_ID=$NEXT_PUBLIC_APP_ID"
RUN echo "NEXT_PUBLIC_REDIRECT_URI=$NEXT_PUBLIC_REDIRECT_URI"
RUN echo "NEXT_PUBLIC_SCOPE=$NEXT_PUBLIC_SCOPE"
RUN echo "NEXT_PUBLIC_AUTHORITY=$NEXT_PUBLIC_AUTHORITY"
RUN echo "NEXT_PUBLIC_LOGOUT_URI=$NEXT_PUBLIC_LOGOUT_URI"
RUN echo "NEXT_PUBLIC_ACCESS_AS_USER=$NEXT_PUBLIC_ACCESS_AS_USER"

RUN yarn build

# If using npm comment out above and use below instead
# RUN npm run build

# Production image, copy all the files and run next
FROM base 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

USER nextjs

COPY --from=builder /app/public ./public

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

EXPOSE 3000

ENV PORT 3000
ENV HOSTNAME 0.0.0.0

ARG NEXT_PUBLIC_API_URL
ARG NEXT_PUBLIC_CERBEROS_API_URL
ARG NEXT_PUBLIC_APP_ID
ARG NEXT_PUBLIC_REDIRECT_URI
ARG NEXT_PUBLIC_SCOPE
ARG NEXT_PUBLIC_AUTHORITY
ARG NEXT_PUBLIC_LOGOUT_URI
ARG NEXT_PUBLIC_ACCESS_AS_USER

ENV NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL
ENV NEXT_PUBLIC_CERBEROS_API_URL=$NEXT_PUBLIC_CERBEROS_API_URL
ENV NEXT_PUBLIC_APP_ID=$NEXT_PUBLIC_APP_ID
ENV NEXT_PUBLIC_REDIRECT_URI=$NEXT_PUBLIC_REDIRECT_URI
ENV NEXT_PUBLIC_SCOPE=$NEXT_PUBLIC_SCOPE
ENV NEXT_PUBLIC_AUTHORITY=$NEXT_PUBLIC_AUTHORITY
ENV NEXT_PUBLIC_LOGOUT_URI=$NEXT_PUBLIC_LOGOUT_URI
ENV NEXT_PUBLIC_ACCESS_AS_USER=$NEXT_PUBLIC_ACCESS_AS_USER

RUN echo "NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL"
RUN echo "NEXT_PUBLIC_CERBEROS_API_URL=$NEXT_PUBLIC_CERBEROS_API_URL"
RUN echo "NEXT_PUBLIC_APP_ID=$NEXT_PUBLIC_APP_ID"
RUN echo "NEXT_PUBLIC_REDIRECT_URI=$NEXT_PUBLIC_REDIRECT_URI"
RUN echo "NEXT_PUBLIC_SCOPE=$NEXT_PUBLIC_SCOPE"
RUN echo "NEXT_PUBLIC_AUTHORITY=$NEXT_PUBLIC_AUTHORITY"
RUN echo "NEXT_PUBLIC_LOGOUT_URI=$NEXT_PUBLIC_LOGOUT_URI"
RUN echo "NEXT_PUBLIC_ACCESS_AS_USER=$NEXT_PUBLIC_ACCESS_AS_USER"

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