# This is to build a container that demos the Mol* canvas app # Source material: https://nodejs.org/en/docs/guides/nodejs-docker-webapp/ # Source material: https://derickbailey.com/2017/05/31/how-a-650mb-node-js-image-for-docker-uses-less-space-than-a-50mb-image/ # Source material: https://hub.docker.com/_/node/ ### Builder Stage (Multi-Stage Docker Build) # Use the slimed NodeJS source, yielding a space savings of 600MB (~66% of total) FROM node:alpine as builder ENV NODEROOT /usr/src/app/ # Create app directory WORKDIR $NODEROOT # Install app dependencies # A wildcard is used to ensure the following are copied # package.json AND package-lock.json AND tslint.json AND tsconfig.json are copied where available (npm@5+) COPY *.json ./ # Install all dependencies and copy results RUN npm install COPY . . # Build library and canvas application then copy results RUN npm run build RUN npm run build-canvas COPY . . ### Runtime Stage (Multi-Stage Docker Build) FROM httpd:2.4 as runtime ENV NODEROOT /usr/src/app ENV HTTPDROOT /usr/local/apache2/htdocs/ ## Code must be placed into /usr/local/apache2/htdocs/ WORKDIR $HTTPDROOT COPY --from=builder $NODEROOT/build/canvas/ . # Open ports for HTTP EXPOSE 80
