Adding docker stuffs

Author: Mike Upton

.dockerignore

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+.git
+node_modules
+build

Dockerfile

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+# Build Stage -> Packaging up the React Project to be Served by Nginx
+FROM node:alpine as builder
+WORKDIR /app
+COPY . ./
+RUN npm install
+RUN npm run build
+
+# Serve Stage -> Serving the built React content
+FROM nginx:alpine
+COPY nginx/nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=builder /app/build /usr/share/nginx/html
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]

nginx/nginx.conf

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+server {
+    listen       80;
+    server_name  localhost;
+    location / {
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+        try_files $uri /index.html;                 
+    }
+    error_page   500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   /usr/share/nginx/html;
+    }
+}