cache

nginx/nginx.conf

@@ -5,6 +5,8 @@ events {
 }
 
 http {
+    proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=api_cache:10m max_size=100m inactive=5m;
+
     upstream go_backend {
         server api1:5000;
         server api2:5000;
@@ -17,6 +19,24 @@ http {
         access_log /dev/stdout;
         error_log /dev/stderr;
 
+        location /api/ {
+            proxy_cache api_cache;
+            proxy_cache_valid 200 30s;
+            proxy_cache_key "$request_uri";
+            proxy_cache_use_stale error timeout updating;
+            add_header X-Cache-Status $upstream_cache_status;
+
+            proxy_pass http://go_backend;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection keep-alive;
+            proxy_set_header Host $host;
+            proxy_cache_bypass $http_upgrade;
+            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;
+        }
+
         location / {
             proxy_pass http://go_backend;
             proxy_http_version 1.1;
@@ -29,4 +49,4 @@ http {
             proxy_set_header X-Forwarded-Proto $scheme;
         }
     }
-}
+}