Add: Dockerfile & nginx config for container prod setup

Dockerfile

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+### STAGE 1: Build ###
+FROM node:lts-alpine AS build
+
+#### make the 'app' folder the current working directory
+WORKDIR /usr/src/app
+
+#### copy both 'package.json' and 'package-lock.json' (if available)
+COPY package*.json ./
+
+#### install angular cli
+RUN npm install -g @angular/cli
+
+#### install project dependencies
+RUN npm install
+
+#### copy things
+COPY . .
+
+#### generate build --prod
+RUN npm run build --prod
+
+### STAGE 2: Run ###
+FROM nginxinc/nginx-unprivileged
+
+#### copy nginx conf
+COPY ./nginx.conf /etc/nginx/conf.d/default.conf
+
+#### copy artifact build from the 'build environment'
+COPY --from=build /usr/src/app/dist/bookproject /usr/share/nginx/html
+
+CMD ["nginx", "-g", "daemon off;"]

nginx.conf

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+server {
+    listen 0.0.0.0:8080;
+    listen [::]:8080;
+    default_type application/octet-stream;
+
+    gzip                    on;
+    gzip_comp_level         6;
+    gzip_vary               on;
+    gzip_min_length         1000;
+    gzip_proxied            any;
+    gzip_types              text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;
+    gzip_buffers            16 8k;
+    gunzip on;
+    client_max_body_size    256M;
+
+    root /usr/share/nginx/html;
+
+    location / {
+        try_files $uri $uri/ /index.html =404;
+    }
+}