nginx load balancing

nginx/load-balancing/README.md

@@ -0,0 +1,8 @@
+```
+npm install
+npm run dev
+```
+
+```
+open http://localhost:3000
+```

nginx/load-balancing/load-balanced-hono-api.dockerfile

@@ -0,0 +1,11 @@
+FROM node:22-alpine
+
+WORKDIR /app
+
+COPY . .
+
+RUN npm install
+
+RUN npm run build
+
+CMD ["node", "dist/index.js"]

nginx/load-balancing/load-balanced-ingress.dockerfile

@@ -0,0 +1,3 @@
+FROM nginx:alpine
+
+COPY nginx-load-balancing.conf /etc/nginx/nginx.conf

nginx/load-balancing/load-balancer.lttle.yaml

@@ -0,0 +1,22 @@
+app:
+  name: load-balanced-nginx-ingress
+  namespace: samples
+  mode:
+    flash:
+      timeout: 1
+      strategy: first-listen
+  build:
+    docker:
+      dockerfile: load-balanced-ingress.dockerfile
+      context: .
+  resources:
+    cpu: 1
+    memory: 64
+  expose:
+    access:
+      port: 80
+      external:
+        protocol: https
+      connection-tracking:
+        traffic-aware:
+          inactivity-timeout: 3

nginx/load-balancing/load-balancing-api.yaml

@@ -0,0 +1,22 @@
+app:
+  name: "load-balanced-hono-api-${{ var.idx }}"
+  namespace: samples
+  mode:
+    flash:
+      timeout: 1
+      strategy: first-listen
+  build:
+    docker:
+      dockerfile: load-balanced-hono-api.dockerfile
+      context: .
+  environment:
+    IDX: "'${{ var.idx }}'"
+  resources:
+    cpu: 1
+    memory: 64
+  expose:
+    access:
+      internal:
+        port: 3000
+      port: 3000
+      connection-tracking: connection-aware

nginx/load-balancing/nginx-load-balancing.conf

@@ -0,0 +1,24 @@
+events {
+    worker_connections 1024;
+}
+
+http {
+    upstream api {
+        server load-balanced-hono-api-1-access.samples.svc.lttle.local:3000;
+        server load-balanced-hono-api-2-access.samples.svc.lttle.local:3000;
+    }
+
+    server {
+        listen 80;
+        server_name _;
+
+        location / {
+            proxy_pass http://api;
+
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+    }
+}

nginx/load-balancing/node-env.d.ts

@@ -0,0 +1,5 @@
+declare namespace NodeJs {
+  interface ProcessEnv {
+    IDX: string;
+  }
+}