chore: update invidious haproxy file

invidious/invidious-all/haproxy.cfg

@@ -1,3 +1,13 @@
+# Notes:
+# Why I deleted `balance roundrobin`:
+#
+# https://www.haproxy.com/documentation/haproxy-configuration-manual/latest/#4-balance:
+# The load balancing algorithm of a backend is set to roundrobin when no other
+# algorithm, mode nor option have been set. The algorithm may only be set once
+# for each backend.
+#
+# ---
+
 global
     # This because haproxy is dumb and likes to use the maxconnection from the kernel and that is super mega huge making haproxy oom
     maxconn 8192
@@ -13,11 +23,13 @@ defaults
   # Use another server if one takes too long to reply
   retries 4
   option redispatch
+  option http-keep-alive
   timeout client 30s
-  timeout connect 30s
-  timeout server 120s
+  timeout connect 5s
+  timeout server 10s
   timeout queue 20s
-  http-reuse always
+  # https://www.haproxy.com/documentation/haproxy-configuration-manual/latest/#4.2-http-reuse
+  http-reuse safe
 
 # Prometheus for graphs
 frontend prometheus
@@ -30,7 +42,33 @@ frontend invidious
     bind *:8001
     default_backend invidious
 
-backend invidious
-    balance roundrobin
-    server-template invidious 8 invidious:3000 check resolvers docker init-addr libc,none
+frontend invidious2
+    bind *:8002
+    default_backend invidious2
 
+frontend invidious3
+    bind *:8003
+    default_backend invidious3
+
+frontend invidious4
+    bind *:8004
+    default_backend invidious4
+
+frontend invidious5
+    bind *:8005
+    default_backend invidious5
+
+backend invidious
+    server-template srv 2 invidious:3000 check resolvers docker init-addr libc,none
+
+backend invidious2
+    server-template srv 2 invidious2:3000 check resolvers docker init-addr libc,none
+
+backend invidious3
+    server-template srv 2 invidious3:3000 check resolvers docker init-addr libc,none
+
+backend invidious4
+    server-template srv 2 invidious4:3000 check resolvers docker init-addr libc,none
+
+backend invidious5
+    server-template srv 2 invidious5:3000 check resolvers docker init-addr libc,none