build docker for jpproject.net demo site

Author: brunobritodev

build/docker-prod/admin-prod.dockerfile

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+# base image
+FROM node:12.7-alpine as builder
+
+# install and cache app dependencies
+COPY ["src/Frontend/Jp.AdminUI/package.json", "./"]
+COPY ["src/Frontend/Jp.AdminUI/package-lock.json", "./"]
+
+## Storing node modules on a separate layer will prevent unnecessary npm installs at each build
+
+RUN npm ci && mkdir /app && mv ./node_modules ./app/
+
+WORKDIR /app
+# add app
+COPY ["src/Frontend/Jp.AdminUI/", "/app"]
+# rebuild node
+RUN npm rebuild node-sass
+# generate build
+RUN npm run ng build -- --configuration=production
+
+##################
+### production ###
+##################
+
+# base image
+FROM nginx:alpine
+
+## Remove default nginx website
+RUN rm -rf /usr/share/nginx/html/*
+
+# copy artifact build from the 'build environment'
+COPY --from=builder /app/nginx/nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# expose port 80
+EXPOSE 80/tcp
+
+# run nginx
+CMD ["nginx", "-g", "daemon off;"]