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# Stage: base image
FROM node:20.11-bookworm-slim as base
ARG BUILD_NUMBER
ARG GIT_REF
ARG GIT_BRANCH
LABEL maintainer="HMPPS Digital Studio <info@digital.justice.gov.uk>"
ENV TZ=Europe/London
RUN ln -snf "/usr/share/zoneinfo/$TZ" /etc/localtime && echo "$TZ" > /etc/timezone
RUN addgroup --gid 2000 --system appgroup && \
adduser --uid 2000 --system appuser --gid 2000
WORKDIR /app
# Cache breaking and ensure required build / git args defined
RUN test -n "$BUILD_NUMBER" || (echo "BUILD_NUMBER not set" && false)
RUN test -n "$GIT_REF" || (echo "GIT_REF not set" && false)
RUN test -n "$GIT_BRANCH" || (echo "GIT_BRANCH not set" && false)
# Define env variables for runtime health / info
ENV BUILD_NUMBER=${BUILD_NUMBER}
ENV GIT_REF=${GIT_REF}
ENV GIT_BRANCH=${GIT_BRANCH}
RUN apt-get update && \
apt-get upgrade -y && \
apt-get autoremove -y && \
rm -rf /var/lib/apt/lists/*
# Stage: build assets
FROM base as build
ARG BUILD_NUMBER
ARG GIT_REF
ARG GIT_BRANCH
COPY package*.json ./
RUN CYPRESS_INSTALL_BINARY=0 npm ci --no-audit
COPY . .
RUN npm run build
RUN npm prune --no-audit --omit=dev
# Stage: copy production assets and dependencies
FROM base
COPY --from=build --chown=appuser:appgroup \
/app/package.json \
/app/package-lock.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
EXPOSE 3000 3001
ENV NODE_ENV='production'
USER 2000
CMD [ "npm", "start" ]