fixed 502 Bad Gateway error

Author: root

docker-compose.yml

@@ -4,25 +4,25 @@ services:
     image: nginx:1.12
     container_name: site1
     volumes:
-      - ./site1:/usr/share/nginx/html/
+      - ./site1/index.html:/usr/share/nginx/html/index.html
+      - ./site1/nginx.conf:/etc/nginx/nginx.conf
     expose:
       - "80"
     networks:
-      - nginx
+      - nginx-network
 
   site2:
     image: nginx:1.12
     container_name: site2
     volumes:
-      - ./site2:/usr/share/nginx/html/
+      - ./site2/index.html:/usr/share/nginx/html/index.html
+      - ./site2/nginx.conf:/etc/nginx/nginx.conf
     expose:
       - "80"
     networks:
-      - nginx
+      - nginx-network
 
   reverse_proxy:
-    build:
-      context: ./reverse-proxy
     image: nginx:1.12
     container_name: proxy
     volumes:
@@ -32,9 +32,9 @@ services:
     ports:
       - "80:80"
     networks:
-      - nginx
+      - nginx-network
 
 networks:
-  nginx:
-    name: nginx
+  nginx-network:
+    name: nginx-network
     driver: bridge

reverse-proxy/Dockerfile

@@ -0,0 +1,19 @@
+worker_processes auto;
+
+events {
+    worker_connections 20000;
+}
+
+http {
+    server {
+        listen 80;
+        root /usr/share/nginx/html;
+
+        location / {
+            index index.html;
+        }
+
+        error_log /var/log/nginx/error.log warn;
+        access_log /var/log/nginx/access.log;
+    }
+}

reverse-proxy/docker-compose_backup.yml

@@ -0,0 +1,19 @@
+worker_processes auto;
+
+events {
+    worker_connections 20000;
+}
+
+http {
+    server {
+        listen 80;
+        root /usr/share/nginx/html;
+
+        location / {
+            index index.html;
+        }
+
+        error_log /var/log/nginx/error.log warn;
+        access_log /var/log/nginx/access.log;
+    }
+}