Dockerfile for PWA - Needs Compose + Volumes

pwa/.dockerignore

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+node_modules
+npm-debug.log*

pwa/Dockerfile

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+FROM node:12.10.0
+
+WORKDIR /app
+# cd app folder within container.
+
+COPY package*.json ./
+
+RUN npm install
+
+COPY . .
+# copy {everything in PWA} {WORKDIR (/app)}
+# this is okay because node_modules is ignored
+
+EXPOSE 3000
+
+CMD ["npm", "start"]