adding gun adapter

config/config.exs

@@ -58,20 +58,6 @@ config :pleroma, Pleroma.Captcha,
 
 config :pleroma, Pleroma.Captcha.Kocaptcha, endpoint: "https://captcha.kotobank.ch"
 
-config :pleroma, :hackney_pools,
-  federation: [
-    max_connections: 50,
-    timeout: 150_000
-  ],
-  media: [
-    max_connections: 50,
-    timeout: 150_000
-  ],
-  upload: [
-    max_connections: 25,
-    timeout: 300_000
-  ]
-
 # Upload configuration
 config :pleroma, Pleroma.Upload,
   uploader: Pleroma.Uploaders.Local,
@@ -185,20 +171,12 @@ config :mime, :types, %{
 }
 
 config :tesla, adapter: Tesla.Adapter.Hackney
-
 # Configures http settings, upstream proxy etc.
 config :pleroma, :http,
   proxy_url: nil,
   send_user_agent: true,
   user_agent: :default,
-  adapter: [
-    ssl_options: [
-      # Workaround for remote server certificate chain issues
-      partial_chain: &:hackney_connect.partial_chain/1,
-      # We don't support TLS v1.3 yet
-      versions: [:tlsv1, :"tlsv1.1", :"tlsv1.2"]
-    ]
-  ]
+  adapter: []
 
 config :pleroma, :instance,
   name: "Pleroma",
@@ -612,6 +590,49 @@ config :pleroma, :modules, runtime_dir: "instance/modules"
 
 config :pleroma, configurable_from_database: false
 
+config :pleroma, :connections_pool,
+  receive_connection_timeout: 250,
+  max_connections: 250,
+  retry: 5,
+  retry_timeout: 100,
+  await_up_timeout: 5_000
+
+config :pleroma, :pools,
+  federation: [
+    size: 50,
+    max_overflow: 10,
+    timeout: 150_000
+  ],
+  media: [
+    size: 50,
+    max_overflow: 10,
+    timeout: 150_000
+  ],
+  upload: [
+    size: 25,
+    max_overflow: 5,
+    timeout: 300_000
+  ],
+  default: [
+    size: 10,
+    max_overflow: 2,
+    timeout: 10_000
+  ]
+
+config :pleroma, :hackney_pools,
+  federation: [
+    max_connections: 50,
+    timeout: 150_000
+  ],
+  media: [
+    max_connections: 50,
+    timeout: 150_000
+  ],
+  upload: [
+    max_connections: 25,
+    timeout: 300_000
+  ]
+
 # Import environment specific config. This must remain at the bottom
 # of this file so it overrides the configuration defined above.
 import_config "#{Mix.env()}.exs"