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prod.Dockerfile
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/
prod.Dockerfile
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# Step 1. Rebuild the source code only when needed
FROM node:18-alpine AS builder
WORKDIR /app
# Install dependencies based on the preferred package manager
COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./
# Omit --production flag for TypeScript devDependencies
RUN \
if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
elif [ -f package-lock.json ]; then npm ci; \
elif [ -f pnpm-lock.yaml ]; then yarn global add pnpm && pnpm i; \
else echo "Lockfile not found." && exit 1; \
fi
COPY src ./src
COPY public ./public
COPY next.config.js .
COPY tsconfig.json .
# Environment variables must be present at build time
# https://github.com/vercel/next.js/discussions/14030
ARG ENV_VARIABLE
ENV ENV_VARIABLE=${ENV_VARIABLE}
ARG NEXT_PUBLIC_ENV_VARIABLE
ENV NEXT_PUBLIC_ENV_VARIABLE=${NEXT_PUBLIC_ENV_VARIABLE}
# Uncomment the following line to disable telemetry at build time
# ENV NEXT_TELEMETRY_DISABLED 1
RUN yarn build
# Step 2. Production image, copy all the files and run next
FROM node:18-alpine AS runner
WORKDIR /app
# Don't run production as root
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs
USER nextjs
COPY --from=builder /app/public ./public
COPY --from=builder /app/next.config.js .
COPY --from=builder /app/package.json .
# 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
# Environment variables must be redefined at run time
ARG ENV_VARIABLE
ENV ENV_VARIABLE=${ENV_VARIABLE}
ARG NEXT_PUBLIC_ENV_VARIABLE
ENV NEXT_PUBLIC_ENV_VARIABLE=${NEXT_PUBLIC_ENV_VARIABLE}
# Uncomment the following line to disable telemetry at run time
# ENV NEXT_TELEMETRY_DISABLED 1
CMD node server.js