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Dockerfile
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# Build stage 1.
FROM node:20-alpine3.17 as base
LABEL maintainer="HMPPS Digital Studio <info@digital.justice.gov.uk>"
ENV TZ=Europe/London
RUN apk add --no-cache tzdata && \
test -e "/usr/share/zoneinfo/$TZ" && \
ln -snf "/usr/share/zoneinfo/$TZ" /etc/localtime && \
echo "$TZ" > /etc/timezone
RUN addgroup --gid 2000 --system appgroup && \
adduser --uid 2000 --system appuser && \
adduser appuser appgroup
WORKDIR /app
# Stage: build assets
FROM base as build
RUN apk add --no-cache make python3
COPY package*.json ./
RUN CYPRESS_INSTALL_BINARY=0 npm ci --no-audit
COPY . .
RUN npm run build:prod
ARG BUILD_NUMBER
ARG GIT_REF
ENV BUILD_NUMBER ${BUILD_NUMBER:-1_0_0}
ENV GIT_REF ${GIT_REF:-dummy}
RUN export BUILD_NUMBER=${BUILD_NUMBER} && \
export GIT_REF=${GIT_REF} && \
npm run record-build-info
RUN npm prune --no-audit --production
# Stage: copy production assets and dependencies
FROM base
# force a rebuild of `apk upgrade` below by invalidating the BUILD_NUMBER env variable on every commit
ARG BUILD_NUMBER
ENV BUILD_NUMBER ${BUILD_NUMBER:-1_0_0}
RUN apk upgrade --no-cache
COPY --from=build --chown=appuser:appgroup \
/app/package.json \
/app/package-lock.json \
/app/build-info.json \
./
COPY --from=build --chown=appuser:appgroup \
/app/assets ./assets
COPY --from=build --chown=appuser:appgroup \
/app/dist ./dist
COPY --from=build --chown=appuser:appgroup \
/app/node_modules ./node_modules
COPY --from=build --chown=appuser:appgroup \
/app/reference-data ./reference-data
COPY --from=build --chown=appuser:appgroup \
/app/browser/build ./browser/build
EXPOSE 3000
ENV NODE_ENV='production'
USER 2000
CMD [ "npm", "start" ]