From 8d3b3f9fe3366670884514af639c8ccd102dccab Mon Sep 17 00:00:00 2001
From: robonen <robonenandrew@gmail.com>
Date: Mon, 14 Nov 2022 05:18:27 +0700
Subject: [PATCH] feat(repo): two application replicas in docker-compose

---
 .env.example                               | 11 ++++++++++-
 Dockerfile                                 |  4 ++--
 config/nginx/{proxy.conf => proxy_lb.conf} |  1 +
 docker-compose.yml                         | 17 +++++++++++------
 package.json                               |  6 ++++++
 src/server/api/test.ts                     |  9 +++++++++
 6 files changed, 39 insertions(+), 9 deletions(-)
 rename config/nginx/{proxy.conf => proxy_lb.conf} (98%)
 create mode 100644 src/server/api/test.ts

diff --git a/.env.example b/.env.example
index 888e107..aaa2bd8 100644
--- a/.env.example
+++ b/.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
diff --git a/Dockerfile b/Dockerfile
index c9234ba..f6536d0 100644
--- a/Dockerfile
+++ b/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"]
diff --git a/config/nginx/proxy.conf b/config/nginx/proxy_lb.conf
similarity index 98%
rename from config/nginx/proxy.conf
rename to config/nginx/proxy_lb.conf
index 82b0fad..5077d16 100644
--- a/config/nginx/proxy.conf
+++ b/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
diff --git a/docker-compose.yml b/docker-compose.yml
index 2e9ade6..dd9760c 100644
--- a/docker-compose.yml
+++ b/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:
diff --git a/package.json b/package.json
index 2455ec9..2f92493 100644
--- a/package.json
+++ b/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",
diff --git a/src/server/api/test.ts b/src/server/api/test.ts
new file mode 100644
index 0000000..b926d2e
--- /dev/null
+++ b/src/server/api/test.ts
@@ -0,0 +1,9 @@
+import {defineEventHandler} from 'h3';
+
+export default defineEventHandler((event) => {
+  console.log('Request received');
+
+  return {
+    api: 'works',
+  };
+});