try nginx

Dockerfile

@@ -1,13 +1,16 @@
-FROM node:lts AS runtime
+FROM node:lts AS build
+
 WORKDIR /app
 
+COPY package*.json ./
+RUN npm install
 COPY . .
 
-RUN npm install
 RUN npm run build
 
-ENV HOST=0.0.0.0
-ENV PORT=4321
-EXPOSE 4321
+FROM nginx:alpine AS runtime
+
+COPY ./nginx/nginx.conf /etc/nginx/nginx.conf
+COPY --from=build /app/dist /usr/share/nginx/html
 
-CMD npm start --host
+EXPOSE 80

nginx/nginx.conf

@@ -0,0 +1,27 @@
+worker_processes 1;
+
+events {
+    worker_connections 1024;
+}
+
+http {
+    server_tokens off;
+
+    server {
+        listen 80;
+        server_name _;
+
+        root /usr/share/nginx/html;
+        index index.html index.htm;
+        include /etc/nginx/mime.types;
+
+        gzip on;
+        gzip_min_length 1000;
+        gzip_proxied expired no-cache no-store private auth;
+        gzip_types text/plain text/css application/json application/javascript application/x-javascript text/xml application/xml application/xml+rss text/javascript;
+
+        location / {
+            try_files $uri $uri/index.html =404;
+        }
+    }
+}