Notes/Dockerfile.alpine
Panagiotis Papadopoulos 607f9096aa build: output into "build" folder again → "dist" will be used for the final output in archive form
this will allow for cleaner separation -> build for the output from the build stage (i.e. TS/Webpack + asset copying) and dist for the archive format of the build folder
2025-03-09 18:59:54 +01:00

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Docker

# Build stage
FROM node:22.14.0-alpine AS builder
WORKDIR /usr/src/app/build
# Copy only necessary files for build
COPY . .
# Build and cleanup in a single layer
RUN npm ci && \
npm run build:prepare-dist && \
npm cache clean --force && \
rm -rf build/node_modules && \
mv build/* \
start-docker.sh \
/usr/src/app/ && \
rm -rf \
/usr/src/app/build \
/tmp/node-compile-cache
#TODO: improve node_modules handling in copy-dist/Dockerfile -> remove duplicated work
# currently copy-dist will copy certain node_module folders, but in the Dockerfile we delete them again (to keep image size down),
# as we install necessary dependencies in runtime buildstage anyways
# Runtime stage
FROM node:22.14.0-alpine
# Install runtime dependencies
RUN apk add --no-cache su-exec shadow
WORKDIR /usr/src/app
COPY --from=builder /usr/src/app ./
RUN sed -i "/electron/d" package.json && \
npm ci --omit=dev && \
npm cache clean --force && \
rm -rf /tmp/node-compile-cache
# Add application user
RUN adduser -s /bin/false node; exit 0
# Configure container
EXPOSE 8080
CMD [ "./start-docker.sh" ]
HEALTHCHECK --start-period=10s CMD exec su-exec node node docker_healthcheck.js