Use nginx as reverse proxy on walker, removing traefik

SSL coming soon

ansible/files/nginx-docker.conf

@@ -0,0 +1,25 @@
+# {{ ansible_managed }}
+
+server {
+    listen 443 ssl;
+    listen [::]:443 ssl;
+    http2 on;
+
+    server_name {{ server_name }};
+    set $upstream {{ upstream }};
+
+    ssl_certificate {{ ssl_cert_path }}/fullchain.pem;
+    ssl_certificate_key {{ ssl_cert_path }}/key.pem;
+    ssl_trusted_certificate {{ ssl_cert_path }}/cert.pem;
+    include includes/ssl.conf;
+
+    include includes/docker-resolver.conf;
+
+    location / {
+        proxy_pass http://$upstream;
+
+        {%- if location_extra is defined +%}
+        {{ location_extra }}
+        {%- endif +%}
+    }
+}