Upload alternative reverse proxy config.

Haproxy can terminate SSL and forward HTTP requests as a drop-in replacement for nginx. Here is a very minimal configuration file for a single backend.

Signed-off-by: mharb <mharb@noreply.localhost>

ansible_playbooks/haproxy.conf

@@ -0,0 +1,24 @@
+global
+        log stdout local0
+
+defaults
+        log global
+        mode http
+        option forwardfor
+        option http-buffer-request
+        option httplog
+        option logasap
+        timeout client 60000
+        timeout connect 60000
+        timeout server 60000
+
+frontend proxy
+        bind *:443 ssl crt /path/to/ssl/cert/bundle.pem ssl-min-ver TLSv1.3
+        bind *:80
+        default_backend code-server
+        acl 4XX status 400:499
+        http-request redirect scheme https unless { ssl_fc }
+        http-request silent-drop if 4XX
+
+backend code-server
+        server code-server code-server:8443 check