added nginx config, changed ports to match

deploy/docker-compose-staging.yml

@@ -6,4 +6,4 @@ services:
     restart:  always
     image: hicsail/comets:staging
     ports:
-      - 5174:4173
+      - 5174:80

frontend/Dockerfile

@@ -1,13 +1,18 @@
-#  ./frontend/Dockerfile
-FROM node:20
+FROM node:20 as build
 
-WORKDIR /usr/src/app
+WORKDIR /app
 
-COPY ./package*.json ./
-RUN npm install
+COPY . .
 
+ARG VITE_BACKEND_URL
 
-COPY . .
+ENV VITE_BACKEND_URL=${VITE_BACKEND_URL}
+
+RUN npm install
+RUN npm run build
+
+FROM nginx
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=build /app/dist /usr/share/nginx/html
 
-EXPOSE 4173
-CMD [ "npm", "run", "preview", "--host"]
+CMD nginx -g 'daemon off;'

frontend/nginx.conf

@@ -0,0 +1,9 @@
+server {
+    listen 80;
+
+    location / {
+        root /usr/share/nginx/html;
+        index index.html index.htm;
+        try_files $uri $uri/ /index.html =404;
+    }
+}