Containerize production version

.dockerignore

@@ -0,0 +1,4 @@
+node_modules
+build
+.git
+README.md

Dockerfile

@@ -0,0 +1,16 @@
+FROM node:14.15.1-alpine as build
+
+RUN mkdir /home/node/react-relay-example/ && chown -R node:node /home/node/react-relay-example
+WORKDIR /home/node/react-relay-example
+COPY --chown=node:node . .
+RUN yarn install --frozen-lockfile && yarn build
+
+FROM nginx:stable-alpine
+
+COPY --from=build /home/node/react-relay-example/build /usr/share/nginx/html
+RUN rm /etc/nginx/conf.d/default.conf
+COPY nginx/nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]

nginx/nginx.conf

@@ -0,0 +1,17 @@
+server {
+
+  listen 80;
+
+  location / {
+    root   /usr/share/nginx/html;
+    index  index.html index.htm;
+    try_files $uri $uri/ /index.html;
+  }
+
+  error_page   500 502 503 504  /50x.html;
+
+  location = /50x.html {
+    root   /usr/share/nginx/html;
+  }
+
+}