184 lines
7.2 KiB
Docker
184 lines
7.2 KiB
Docker
# ------------------------------------------------------------------------------
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# Dockerfile based on Price's best practice
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# - using multi-stage builds
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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# Standard Args (with default values) for Price's docker image
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# ------------------------------------------------------------------------------
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ARG org_label_schema_vendor="Price.com.hk"
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ARG org_label_schema_schema_version=1.0
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ARG org_label_schema_name=unknown
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ARG org_label_schema_version=unknown
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ARG org_label_schema_vcs_url=unknown
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ARG org_label_schema_vcs_ref=unknown
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ARG org_label_schema_build_date=unknown
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ARG org_label_schema_description
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ARG maintainer="it.web@price.com.hk"
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# -----------------------------------------------------------------------------
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# Application Args/Envs
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# -----------------------------------------------------------------------------
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ARG NODEJS_VERSION="18.12"
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ARG SUITE_VERSION="bullseye-slim"
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ARG APP_ROOT="/home/node/app"
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ARG APP_VERSION="not-yet-set"
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ARG APP_PORT=3000
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# ------------------------------------------------------------------------------
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# Build the base image layer with Docker multi-stage builds
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# - Install necessary packages as to add cache layer
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# ------------------------------------------------------------------------------
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FROM node:${NODEJS_VERSION}-${SUITE_VERSION} AS base
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# -----------------------------------------------------------------------------
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# Install required software package
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# -----------------------------------------------------------------------------
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RUN apt update -y \
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# - health check & timezone
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&& apt install -y curl tzdata dumb-init
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# -----------------------------------------------------------------------------
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# Purge / Clean up
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# -----------------------------------------------------------------------------
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RUN apt-get clean autoclean \
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&& apt-get autoremove --yes \
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&& rm -rf \
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/var/lib/{apt,dpkg,cache,log}/ \
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/tmp/*
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# ------------------------------------------------------------------------------
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# Build the NodeJS Application with Docker multi-stage builds
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# - Making node_modules, separate from source as to add cache layer
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# ------------------------------------------------------------------------------
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FROM base AS nodejs_build
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ARG APP_ROOT
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RUN mkdir -p ${APP_ROOT} && chown node:node ${APP_ROOT}
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WORKDIR ${APP_ROOT}
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# Set the user for building operation
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USER node
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# ----- Install dependencies packages
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# NOTE: Should not use `--ignore-optional --production` options
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# because of TS or Bable is used.
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COPY package.json yarn.lock ${APP_ROOT}/
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RUN yarn install
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# ---- Copy application source codes and build
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COPY src ${APP_ROOT}/src
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COPY tsconfig*.json .eslint*.js .prettierrc ${APP_ROOT}/
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RUN yarn build
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# NOTE: run install with `--ignore-optional --production` options again
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# will remove non-production packages
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RUN yarn install --ignore-optional --production
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# ------------------------------------------------------------------------------
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# Make the Final image
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# ------------------------------------------------------------------------------
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FROM base
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# ------------------------------------------------------------------------------
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# Arguments / Environment variables
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# ------------------------------------------------------------------------------
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# - Standard args and Envs
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ARG org_label_schema_vendor
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ARG org_label_schema_schema_version
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ARG org_label_schema_name
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ARG org_label_schema_version
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ARG org_label_schema_vcs_url
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ARG org_label_schema_vcs_ref
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ARG org_label_schema_build_date
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ARG org_label_schema_description
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ARG maintainer
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# - Application specific
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ARG APP_ROOT
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ENV APP_ROOT=${APP_ROOT}
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ARG APP_PORT
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ENV APP_PORT=${APP_PORT}
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# -----------------------------------------------------------------------------
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# Copy the 'image_files' directory to overrwrite root directory.
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# Note: It is good to do after the main section
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# -----------------------------------------------------------------------------
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COPY ./image_files/fsroot /
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# -----------------------------------------------------------------------------
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# Provisioning (as root)
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# For docker-entrypoint, it needed to change the owner to node
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# -----------------------------------------------------------------------------
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RUN chmod g+w -R /docker-entrypoint.d /docker-entrypoint.sh \
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&& chown -R node:node /docker-entrypoint.d /docker-entrypoint.sh \
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&& chmod ug+x /docker-entrypoint.sh
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# ------------------------------------------------------------------------------
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# Setup APP_ROOT for Node.js
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# ------------------------------------------------------------------------------
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RUN mkdir -p ${APP_ROOT} && chown node:node ${APP_ROOT}
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WORKDIR ${APP_ROOT}
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USER node
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# ------------------------------------------------------------------------------
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# Copy necessary files
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# ------------------------------------------------------------------------------
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COPY --chown=node:node --from=nodejs_build ${APP_ROOT}/dist ${APP_ROOT}/dist
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COPY --chown=node:node --from=nodejs_build ${APP_ROOT}/node_modules ${APP_ROOT}/node_modules
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COPY --chown=node:node --from=nodejs_build ${APP_ROOT}/package.json ${APP_ROOT}/yarn.lock ${APP_ROOT}/
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# ------------------------------------------------------------------------------
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# TODO: Remove TS or any other source code if the image is 'release'
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# ------------------------------------------------------------------------------
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# -----------------------------------------------------------------------------
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# Expose ports
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# -----------------------------------------------------------------------------
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EXPOSE ${APP_PORT}
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# -----------------------------------------------------------------------------
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# Healthcheck (Optional for service)
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# -----------------------------------------------------------------------------
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HEALTHCHECK --interval=10s --timeout=3s --start-period=5s --retries=3 \
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CMD curl -f http://localhost:${APP_PORT}/healthcheck || exit 1
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# -----------------------------------------------------------------------------
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# Setting the Label and Args
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# Shoukd be placed at the end (just before CMD) to avoid
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# regenerating the cache layer above
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# -----------------------------------------------------------------------------
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LABEL org.label-schema.vendor=$org_label_schema_vendor \
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org.label-schema.schema-version=$org_label_schema_schema_version \
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org.label-schema.name=$org_label_schema_name \
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org.label-schema.version=$org_label_schema_version \
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org.label-schema.vcs-url=$org_label_schema_vcs_url \
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org.label-schema.vcs-ref=$org_label_schema_vcs_ref \
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org.label-schema.build-date=$org_label_schema_build_date \
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org.label-schema.description=$org_label_schema_description \
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maintainer=$maintainer
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ENV ENABLE_DUMMY_DAEMON=false
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ENV APP_ENV="production"
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# Set the LOG_LEVEL will override application logger level.
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# Default "" mean unset
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# See 30-prepare-env.sh for details
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ENV LOG_LEVEL=""
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ENV LOG_IN_JSON_FMT=false
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ARG APP_VERSION
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ENV APP_VERSION=${APP_VERSION}
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# -----------------------------------------------------------------------------
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# Command or Entrypoint
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# -----------------------------------------------------------------------------
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CMD [ "dumb-init", "sh", "-c", "/docker-entrypoint.sh" ]
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