feat(repo): two application replicas in docker-compose

.env.example

@@ -1 +1,10 @@
-NUXT_API_HOST=https://localhost
+# Infrastucture config
+FORWARD_APP_PORT=3000
+
+FORWARD_DB_PORT=5432
+DB_USERNAME=postgres
+DB_PASSWORD=password
+DB_DATABASE=c3d
+
+# App config
+NUXT_API_HOST=http://app

Dockerfile

@@ -5,6 +5,7 @@ FROM node:${NODE_VERSION} AS builder
 
 WORKDIR /build
 
+# See .dockerignore
 COPY . .
 
 RUN npm cache clean --force && npm ci && npm run build
@@ -19,7 +20,6 @@ COPY --from=builder /build/src/.output .
 ENV HOST=0.0.0.0
 ENV PORT=3000
 
-VOLUME /app
 EXPOSE 3000
 
-CMD ["node", "./server/index.mjs"]
+ENTRYPOINT ["node", "./server/index.mjs"]

config/nginx/proxy_lb.conf

@@ -1,6 +1,7 @@
 server {
     listen 80;
 
+    # Default docker DNS
     resolver 127.0.0.11 ipv6=off valid=10s;
 
     # . files

docker-compose.yml

@@ -2,26 +2,31 @@ version: '3'
 
 services:
 
-  proxy:
-    container_name: proxy
+  proxy_lb:
+    container_name: proxy_lb
     image: nginx:latest
     ports:
       - '${PROXY_PORT:-80}:80'
       - '${PROXY_PORT_SSL:-443}:443'
     volumes:
-      - './config/nginx/proxy.conf:/etc/nginx/conf.d/default.conf'
+      - './config/nginx/proxy_lb.conf:/etc/nginx/conf.d/default.conf'
     networks:
       - c3d_net
     depends_on:
       - app
 
   app:
-    container_name: app
+#    container_name: app
     build:
       context: .
       dockerfile: Dockerfile
-    ports:
-      - '${FORWARD_APP_PORT:-3000}:3000'
+    deploy:
+      mode: replicated
+      replicas: 2
+    expose:
+      - '${FORWARD_APP_PORT:-3000}'
+#    ports:
+#      - '${FORWARD_APP_PORT:-3000}:3000'
     networks:
       - c3d_net
     depends_on:

package.json

@@ -1,4 +1,10 @@
 {
+  "name": "canvas3d",
+  "description": "Web application for affine transformations of three-dimensional figures",
+  "bugs": {
+    "url": "https://github.com/robonen/canvas-3d/issues?q=is:open is:issue label:bug"
+  },
+  "license": "MIT",
   "private": true,
   "scripts": {
     "build": "nuxt build",

src/server/api/test.ts

@@ -0,0 +1,9 @@
+import {defineEventHandler} from 'h3';
+
+export default defineEventHandler((event) => {
+  console.log('Request received');
+
+  return {
+    api: 'works',
+  };
+});