docs/Dockerfile

# This Dockerfile can be used for docker-based deployments to platforms
# like Now or Moda, but it is currently _not_ used by our Heroku deployments
# It uses two multi-stage builds: `install` and the main build to keep the image size down.

# --------------------------------------------------------------------------------
# BASE IMAGE
# --------------------------------------------------------------------------------
FROM node:16.13.2-alpine@sha256:f21f35732964a96306a84a8c4b5a829f6d3a0c5163237ff4b6b8b34f8d70064b 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 .npmrc ./
COPY --chown=node:node package*.json ./

RUN npm ci

# For Next.js v12+
# This the appropriate necessary extra for node:16-alpine
# Other options are https://www.npmjs.com/search?q=%40next%2Fswc
# RUN npm i @next/swc-linux-x64-musl --no-save


# ---------------
# PROD DEPS
# ---------------
FROM all_deps as prod_deps

RUN npm prune --production


# ---------------
# BUILDER
# ---------------
FROM all_deps as builder

COPY stylesheets ./stylesheets
COPY pages ./pages
COPY components ./components
COPY lib ./lib

# One part of the build relies on this content file to pull all-products
COPY content/index.md ./content/index.md

COPY next.config.js ./next.config.js
COPY tsconfig.json ./tsconfig.json
COPY next-env.d.ts ./next-env.d.ts

RUN npm run build

# --------------------------------------------------------------------------------
# MAIN IMAGE
# --------------------------------------------------------------------------------

FROM base as production

# Copy just our 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

# Whether to hide iframes, add warnings to external links
ENV AIRGAP false

# By default we typically don't want to run in clustered mode
ENV WEB_CONCURRENCY 1

# This makes sure server.mjs always picks up the preferred port
ENV PORT 4000

# 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 includes ./includes
COPY --chown=node:node translations ./translations
COPY --chown=node:node content ./content
COPY --chown=node:node lib ./lib
COPY --chown=node:node middleware ./middleware
COPY --chown=node:node feature-flags.json ./
COPY --chown=node:node data ./data
COPY --chown=node:node next.config.js ./
COPY --chown=node:node server.mjs ./server.mjs

EXPOSE $PORT

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


# --------------------------------------------------------------------------------
# MAIN IMAGE WITH EARLY ACCESS
# --------------------------------------------------------------------------------

FROM production as production_early_access

COPY --chown=node:node content/early-access ./content/early-access

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