Dockerfile

FROM node:20.9.0-alpine3.17@sha256:c049e006a20730f3d2536a8551c2e4ad74a397fdce707f2b79c353837f142d5c AS builder

WORKDIR /app

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

RUN yarn install
RUN yarn build

# 'yarn install --production' does not prune test packages which are necessary
# to build the app. So delete nod_modules and reinstall only production packages.
RUN [ "rm", "-rf", "node_modules" ]
RUN yarn install --production --frozen-lockfile

FROM node:20.9.0-alpine3.17@sha256:c049e006a20730f3d2536a8551c2e4ad74a397fdce707f2b79c353837f142d5c AS final

RUN ["apk", "--no-cache", "upgrade"]
RUN ["apk", "add", "--no-cache", "tini", "curl"]

WORKDIR /app

# Copy in compile assets and deps from build container
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/package.json ./
COPY --from=builder /app/yarn.lock ./
COPY --from=builder /app/src ./src

# Add in dynatrace layer
COPY --from=khw46367.live.dynatrace.com/linux/oneagent-codemodules-musl:nodejs / /
ENV LD_PRELOAD /opt/dynatrace/oneagent/agent/lib64/liboneagentproc.so

ENV PORT 8080

HEALTHCHECK --interval=5s --timeout=2s --retries=10 \
  CMD curl -f http://localhost:8080/healthcheck || exit 1

EXPOSE $PORT

ENTRYPOINT ["sh", "-c", "export DT_HOST_ID=CORE-FRONT-$RANDOM && tini npm start"]

CMD ["yarn", "start"]