dockerfile for building an image out of darkwire

Dockerfile

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+FROM node:14.7.0-stretch
+
+# Installing yarn
+RUN apt update -y && \ 
+    apt install yarn=v1.22.4 -v -y
+
+USER node:node
+
+# Server environmental variables will be put into server/.env
+ENV MAILGUN_API_KEY=api-key \
+    MAILGUN_DOMAIN=darkwire.io \
+    ABUSE_TO_EMAIL_ADDRESS=abuse@darkwire.io \
+    ABUSE_FROM_EMAIL_ADDRESS="Darkwire <no-reply@darkwire.io>" \
+    CLIENT_DIST_DIRECTORY='client/dist/path'\
+    ROOM_HASH_SECRET='some-uuid'\
+    SITE_URL=https://darkwire.io \
+    STORE_BACKEND=redis \
+    STORE_HOST=redis://localhost:6379
+
+# Client configuration will be put into client/.env
+ENV TZ=UTC \
+    REACT_APP_API_HOST=localhost \
+    REACT_APP_API_PROTOCOL=http \
+    REACT_APP_API_PORT=3001 \
+    REACT_APP_COMMIT_SHA=some_sha \
+    REACT_APP_COMMIT_SHA=some_sha \
+    REACT_APP_MAX_FILE_SIZE=4 
+
+COPY --chown=node:node . .
+
+RUN yarn build
+
+EXPOSE 3001
+
+ENTRYPOINT [ "docker-entrypoint.sh" ]
+CMD ["yarn", "start"]