Update prod Dockerfile with multi-stage Docker build to serve website through nginx

docker-compose-prod.yaml

@@ -6,4 +6,4 @@ services:
       dockerfile: prod.dockerfile
     restart: always
     ports:
-      - "3000:3000"
+      - "80:80"

nginx.conf

@@ -0,0 +1,46 @@
+events {
+    worker_connections 1024;
+}
+
+worker_processes auto;
+
+http {
+    include /etc/nginx/mime.types;
+
+    server {
+        listen 80;
+        root /usr/share/nginx/html;
+        index index.html;
+
+        # Enable gzip
+        gzip on;
+        gzip_types text/plain text/css application/json application/javascript text/xml application/xml text/javascript image/svg+xml application/font-woff application/font-woff2;
+
+        rewrite ^/documentation/open-source/(.*)$ /$1 last;
+
+        # handle redirection from root
+        location = / {
+            return 301 /documentation/open-source/1.4.0/;
+        }
+
+        location / {
+            try_files $uri $uri/ $uri/index.html /1.4.0/index.html;
+        }
+
+        # Cache static assets with fingerprints for 1 yr (Docusaurus adds hashes)
+        location ~* \.[a-f0-9]+\.(js|css)$ {
+            add_header Cache-Control "public, max-age=31536000, immutable";
+        }
+
+        # Cache images and fonts for shorter time i.e. 7 days
+        location ~* \.(png|jpg|gif|ico|svg|woff|woff2)$ {
+            add_header Cache-Control "public, max-age=604800";
+        }
+
+        # Don't cache HTML files
+        # This will now work correctly with the rewritten URI.
+        location ~* \.html$ {
+            add_header Cache-Control "no-cache, no-store, must-revalidate";
+        }
+    }
+}

prod.dockerfile

@@ -1,11 +1,13 @@
-FROM node:18.2.0-alpine as builder
+FROM node:18.2.0-alpine AS builder
 WORKDIR /build
 COPY package.json ./
 COPY package-lock.json ./
-RUN npm install
+RUN npm ci
 COPY . ./
 RUN npm run build
 
-EXPOSE 3000
-ENTRYPOINT ["npm", "run"]
-CMD ["serve"]
+FROM nginx:stable-alpine
+COPY --from=builder /build/build /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/nginx.conf
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]