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Dockerfile
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# This Dockerfile is used for docker-based deployments to Azure for both preview environments and production
# --------------------------------------------------------------------------------
# BASE IMAGE
# --------------------------------------------------------------------------------
# To update the sha, run `docker pull node:$VERSION-alpine`
# look for something like: `Digest: sha256:0123456789abcdef`
FROM node:20-alpine@sha256:002b6ee25b63b81dc4e47c9378ffe20915c3fa0e98e834c46584438468b1d0b5 as base
# This directory is owned by the node user
ARG APP_HOME=/home/node/app
# Make sure we don't run anything as the root user
USER node
WORKDIR $APP_HOME
# ---------------
# ALL DEPS
# ---------------
FROM base as all_deps
COPY --chown=node:node package.json package-lock.json ./
RUN npm ci --no-optional --registry https://registry.npmjs.org/
# For Next.js v12+
# This the appropriate necessary extra for node:VERSION-alpine
# Other options are https://www.npmjs.com/search?q=%40next%2Fswc
RUN npm i @next/swc-linux-x64-musl --no-save || npm i @next/swc-linux-arm64-musl --no-save
# ---------------
# PROD DEPS
# ---------------
FROM all_deps as prod_deps
RUN npm prune --production
# ---------------
# BUILDER
# ---------------
FROM all_deps as builder
COPY components ./components
COPY src ./src
# The star is because it's an optional directory
COPY .remotejson-cache* ./.remotejson-cache
# Certain content is necessary for being able to build
COPY content/index.md ./content/index.md
COPY content/rest ./content/rest
COPY data ./data
COPY next.config.js ./next.config.js
COPY tsconfig.json ./tsconfig.json
RUN npm run build
# --------------------------------------------------------------------------------
# PREVIEW IMAGE - no translations
# --------------------------------------------------------------------------------
FROM base as preview
# Copy just prod dependencies
COPY --chown=node:node --from=prod_deps $APP_HOME/node_modules $APP_HOME/node_modules
# Copy our front-end code
COPY --chown=node:node --from=builder $APP_HOME/.next $APP_HOME/.next
# We should always be running in production mode
ENV NODE_ENV production
# Preferred port for server.js
ENV PORT 4000
ENV ENABLED_LANGUAGES "en"
# This makes it possible to set `--build-arg BUILD_SHA=abc123`
# and it then becomes available as an environment variable in the docker run.
ARG BUILD_SHA
ENV BUILD_SHA=$BUILD_SHA
# Copy only what's needed to run the server
COPY --chown=node:node package.json ./
COPY --chown=node:node assets ./assets
COPY --chown=node:node content ./content
COPY --chown=node:node src ./src
COPY --chown=node:node .remotejson-cache* ./.remotejson-cache
COPY --chown=node:node data ./data
COPY --chown=node:node next.config.js ./
COPY --chown=node:node server.js ./server.js
COPY --chown=node:node start-server.js ./start-server.js
EXPOSE $PORT
CMD ["node", "server.js"]
# --------------------------------------------------------------------------------
# PRODUCTION IMAGE - includes all translations
# --------------------------------------------------------------------------------
FROM preview as production
# Override what was set for previews
# Make this match the default of `Object.keys(languages)` in src/languages/lib/languages.js
ENV ENABLED_LANGUAGES "en,zh,es,pt,ru,ja,fr,de,ko"
# Copy in all translations
COPY --chown=node:node translations ./translations