Dockerfile

# syntax = docker/dockerfile:1.4
FROM node:16-alpine as builder

WORKDIR /opt/digitransit-ui

ENV \
  # We mimick common CI/CD systems so that tools don't assume a "normal" dev env.
  CI=true \
  # Picked up by various Node.js tools.
  NODE_ENV=production

# install dependencies for npm packages
RUN \
  # required for sharp, which builds libvips using node-gyp
  apk add --no-cache python3 make g++ vips-dev

COPY .yarnrc.yml package.json yarn.lock lerna.json ./
COPY .yarn ./.yarn

# todo: only copy */packages/*/package.json, not all of the code
# AFAIK there is no blob syntax that copies */package.json while keeping paths.
# https://github.com/moby/moby/issues/15858
COPY digitransit-util ./digitransit-util
COPY digitransit-search-util ./digitransit-search-util
COPY digitransit-component ./digitransit-component
COPY digitransit-store ./digitransit-store

RUN \
  # Tell Playwright not to download browser binaries, as it is only used for testing (not building).
  # https://github.com/microsoft/playwright/blob/v1.16.2/installation-tests/installation-tests.sh#L200-L216
  export PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1 \
  && yarn install --immutable --inline-builds \
  && yarn cache clean --all \
  && rm -rf /tmp/phantomjs

# Setting $CONFIG causes digitransit-ui to only build assets for *one* instance (see app/configurations).
# This speeds up the build (because favicons-webpack-plugin is increasingly *very* slow with the nr of
# configs processed), but the resulting image won't be able to serve other instances.
ARG CONFIG=''
ENV CONFIG=${CONFIG}

COPY config ./config
RUN \
  yarn run build-workspaces

COPY . .

RUN \
  yarn run build \
  && rm -rf node_modules/.cache \
  && rm -rf /tmp/Relay*

# Deleting files retrospectively, after having copied/generated them in a previous step, *does not* reduce
# the size of the resulting (builder) Docker image. But we prevent them from being copied into the final image.
RUN \
  rm -rf static docs .cache

FROM node:16-alpine
LABEL org.opencontainers.image.title="digitransit-ui"
LABEL org.opencontainers.image.description="open nationwide journey planning platform"
LABEL org.opencontainers.image.authors="digitransit@hsl.fi"
LABEL org.opencontainers.image.documentation="https://digitransit.fi"
LABEL org.opencontainers.image.source="https://github.com/HSLdevcom/digitransit-ui/tree/v3"
LABEL org.opencontainers.image.revision="3"
LABEL org.opencontainers.image.licenses="(AGPL-3.0 OR EUPL-1.2)"

WORKDIR /opt/digitransit-ui

ARG CONFIG=''
ENV CONFIG=${CONFIG}

EXPOSE 8080

# todo: install production dependencies only, re-use .yarn/cache from above
# `yarn install --production` is not supported by Yarn v2.4.3, and the suggested `yarn workspaces focus` command
# does not exist.

COPY --from=builder /opt/digitransit-ui/ .

ARG WEBPACK_DEVTOOL=''
ENV \
  # App specific settings to override when the image is run \
  SENTRY_DSN='' \
  SENTRY_SECRET_DSN='' \
  PORT=8080 \
  API_URL='' \
  MAP_URL='' \
  OTP_URL='' \
  GEOCODING_BASE_URL='' \
  APP_PATH='' \
  CONFIG=$CONFIG \
  NODE_ENV='' \
  # setting a non-empty default value for NODE_OPTS
  # if you don't do this then yarn/node seem to think that you want to
  # execute a file called "" (empty string) and doesn't start the server
  # https://github.com/HSLdevcom/digitransit-ui/issues/4155
  #
  # the --title option just sets the harmless property process.title
  # https://nodejs.org/api/cli.html#cli_title_title
  NODE_OPTS='--title=digitransit-ui' \
  RELAY_FETCH_TIMEOUT='' \
  WEBPACK_DEVTOOL=$WEBPACK_DEVTOOL \
  ASSET_URL='' \
  STATIC_MESSAGE_URL=''

RUN apk add --no-cache curl
HEALTHCHECK \
  --interval=5s --timeout=3s --retries=3 --start-period=5s \
  CMD curl -fsSLI "http://localhost:$PORT/" || exit 1

CMD yarn run start