introduce haproxy to test horizontal scalability

briefercloud · Nov 24, 2024 · b9ef058 · b9ef058
1 parent 0c22707
commit b9ef058
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Showing 6 changed files with 50 additions and 46 deletions.
diff --git a/apps/api/nodemon.js b/apps/api/nodemon.js
diff --git a/apps/api/nodemon.json b/apps/api/nodemon.json
@@ -0,0 +1,5 @@
+{
+  "watch": ["src", ".env", "package.json"],
+  "ext": "ts",
+  "exec": "node --max-old-space-size=16384 --inspect --loader ts-node/esm ./src/index.ts | pino-pretty"
+}
diff --git a/apps/api/package.json b/apps/api/package.json
@@ -5,7 +5,7 @@
   "type": "module",
   "scripts": {
     "start": "node ./dist/index.js",
-    "dev": "node nodemon.js",
+    "dev": "cross-env PORT=${PORT:-8081} nodemon",
     "build": "tsc",
     "test": "jest --passWithNoTests"
   },
@@ -92,6 +92,7 @@
     "@types/split2": "^4.2.3",
     "@types/uuid": "^9.0.7",
     "@types/ws": "^8.5.9",
+    "cross-env": "^7.0.3",
     "deep-diff": "^1.0.2",
     "jest": "^29.7.0",
     "nodemon": "^3.0.1",

diff --git a/docker-compose.dev.yaml b/docker-compose.dev.yaml
@@ -77,25 +77,16 @@ services:
     volumes:
       - ./data/mysql/ecommerce/data:/var/lib/mysql
 
-  api-nginx:
-    image: nginx:1.27
-    command: /bin/sh -c "/generate-nginx-config.sh && nginx -g 'daemon off;'"
-    ports:
-      - '8080:8080'
-    environment:
-      MULTI_INSTANCE: ${MULTI_INSTANCE:-false}
+  haproxy:
+    image: haproxy:3.0
     volumes:
       - type: bind
-        source: ./dev/nginx/nginx.conf
-        target: /etc/nginx/nginx.conf
+        source: ./haproxy.cfg
+        target: /usr/local/etc/haproxy/haproxy.cfg
         volume:
           nocopy: true
-      - type: bind
-        source: ./dev/nginx/generate-nginx-config.sh
-        target: /generate-nginx-config.sh
-        volume:
-          nocopy: true
-    restart: always
+    ports:
+      - '8080:8080'
 
 volumes:
   postgres_dev_data:

diff --git a/haproxy.cfg b/haproxy.cfg
@@ -0,0 +1,21 @@
+global
+    # No 'log' directive here
+    daemon
+
+defaults
+    mode http
+    timeout connect 5000ms
+    timeout client  50000ms
+    timeout server  50000ms
+    option httplog
+    option http-server-close
+
+frontend main
+    bind *:8080
+    default_backend servers
+
+backend servers
+    balance roundrobin
+    cookie SERVERID insert
+    server app1 host.docker.internal:8081 check cookie app1
+    server app2 host.docker.internal:8082 check cookie app2
diff --git a/yarn.lock b/yarn.lock
@@ -5373,6 +5373,13 @@ cronstrue@^2.44.0:
   resolved "https://registry.yarnpkg.com/cronstrue/-/cronstrue-2.50.0.tgz#eabba0f915f186765258b707b7a3950c663b5573"
   integrity sha512-ULYhWIonJzlScCCQrPUG5uMXzXxSixty4djud9SS37DoNxDdkeRocxzHuAo4ImRBUK+mAuU5X9TSwEDccnnuPg==
 
+cross-env@^7.0.3:
+  version "7.0.3"
+  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-7.0.3.tgz#865264b29677dc015ba8418918965dd232fc54cf"
+  integrity sha512-+/HKd6EgcQCJGh2PSjZuUitQBQynKor4wrFbRg4DtAgS1aWO+gU52xpH7M9ScGgXSYmAVS9bIJ8EzuaGw0oNAw==
+  dependencies:
+    cross-spawn "^7.0.1"
+
 cross-spawn@^7.0.0, cross-spawn@^7.0.2, cross-spawn@^7.0.3:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.3.tgz#f73a85b9d5d41d045551c177e2882d4ac85728a6"
@@ -5382,6 +5389,15 @@ cross-spawn@^7.0.0, cross-spawn@^7.0.2, cross-spawn@^7.0.3:
     shebang-command "^2.0.0"
     which "^2.0.1"
 
+cross-spawn@^7.0.1:
+  version "7.0.6"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.6.tgz#8a58fe78f00dcd70c370451759dfbfaf03e8ee9f"
+  integrity sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==
+  dependencies:
+    path-key "^3.1.0"
+    shebang-command "^2.0.0"
+    which "^2.0.1"
+
 css-font-size-keywords@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/css-font-size-keywords/-/css-font-size-keywords-1.0.0.tgz#854875ace9aca6a8d2ee0d345a44aae9bb6db6cb"