fix(releases): more postgres SSL options (#408)

Author: Betree

config/releases.exs

@@ -74,9 +74,16 @@ config :db, DB.Repo,
   username: load_secret.("db_username"),
   password: load_secret.("db_password"),
   database: load_secret.("db_name"),
+  pool_size: load_int.({"db_pool_size", 10}),
+  socket_options: if load_bool.({"db_ssl", "false"}), do: [:inet6], else: [],
   ssl: load_bool.({"db_ssl", "false"}),
   ssl_opts: [
-    server_name_indication: to_charlist(load_secret.("db_hostname"))
+    server_name_indication: to_charlist(load_secret.("db_hostname")),
+    verify: :verify_peer,
+    customize_hostname_check: [
+      # Our hosting provider uses a wildcard certificate. By default, Erlang does not support wildcard certificates.
+      match_fun: :public_key.pkix_verify_hostname_match_fun(:https)
+    ]
   ]
 
 config :ex_aws,