chore: done

config/runtime.exs

@@ -1,5 +1,7 @@
 import Config
 
+import Helper.Utils, only: [get_host_from_url: 1]
+
 # ## Using releases
 #
 # If you use `mix release`, you need to explicitly enable the server
@@ -123,16 +125,13 @@ if config_env() == :prod do
   # see https://neon.tech/docs/guides/elixir-ecto for Neon DB on vercel
   config :groupher_server, GroupherServer.Repo,
     adapter: Ecto.Adapters.Postgres,
-    username: System.get_env("DB_USERNAME"),
-    password: System.get_env("DB_PASSWORD"),
-    database: System.get_env("DB_NAME" || "cps_server_prod"),
-    hostname: System.get_env("DB_HOST"),
-    port: String.to_integer(System.get_env("DB_PORT") || "5432"),
+    url: System.get_env("DATABASE_URL"),
     pool_size: String.to_integer(System.get_env("DB_POOL_SIZE") || "20"),
     ssl: true,
     ssl_opts: [
-      # server_name_indication: String.to_charlist("debug here if need"),
-      server_name_indication: System.get_env("DB_HOST") |> String.to_charlist(),
+      # server_name_indication: System.get_env("DB_HOST") |> String.to_charlist(),
+      server_name_indication:
+        get_host_from_url(System.get_env("DATABASE_URL")) |> String.to_charlist(),
       verify: :verify_none
     ]
 

lib/groupher_server/cms/delegates/article_community.ex

@@ -6,7 +6,7 @@ defmodule GroupherServer.CMS.Delegate.ArticleCommunity do
   import Ecto.Query, warn: false
 
   import Helper.ErrorCode
-  import Helper.Utils, only: [strip_struct: 1, done: 1]
+  import Helper.Utils, only: [done: 1]
   import GroupherServer.CMS.Helper.Matcher
 
   alias Helper.Types, as: T

lib/helper/utils/utils.ex

@@ -235,4 +235,13 @@ defmodule Helper.Utils do
     # number is invalid for html id(if first letter)
     Nanoid.generate(5, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
   end
+
+  @doc """
+  get host from url for config, like
+  postgres://default:[email protected]:5432/verceldb?sslmode=require
+  => example-db-host
+  """
+  def get_host_from_url(url) do
+    URI.parse(url).host
+  end
 end

mix.exs

@@ -6,7 +6,7 @@ defmodule GroupherServer.Mixfile do
   def project do
     [
       app: :groupher_server,
-      version: "2.1.3",
+      version: "2.1.4",
       elixir: "~> 1.9",
       elixirc_paths: elixirc_paths(Mix.env()),
       dialyzer: [plt_add_deps: :transitive, ignore_warnings: ".dialyzer_ignore.exs"],