Added the docker files and ansible playbooks for two instances namely pkl and chd.

docker/files/nginx.conf.j2

@@ -0,0 +1,39 @@
+server {
+
+  listen 80;
+  server_name {{ http_host }};
+
+  # Allow large attachments
+  client_max_body_size 128M;
+
+  location /api {
+    proxy_set_header Host            $host:$server_port;
+    proxy_set_header X-Scheme        $scheme;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_pass       http://localhost:{{ host_port }};
+  }
+  location /token {
+
+    proxy_set_header Host            $host:$server_port;
+    proxy_set_header X-Scheme        $scheme;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_pass       http://localhost:{{ host_port }};
+  }
+  location /refresh {
+    proxy_set_header Host            $host:$server_port;
+    proxy_set_header X-Scheme        $scheme;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_pass       http://localhost:{{ host_port }};
+  }
+  location /db-image {
+    proxy_set_header Host            $host:$server_port;
+    proxy_set_header X-Scheme        $scheme;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_pass       http://localhost:{{ host_port }};
+  }
+  location / {
+    root /var/lib/{{ host_directory }}/frontend;
+    index index.html index.htm;
+    try_files $uri $uri/ /index.html =404;
+  }
+}