Allow db to be configured by url (#1314)

Author: michaeljguarino

plural/helm/plural/values.yaml

@@ -325,6 +325,7 @@ admin:
   enabled: false
 
 postgres:
+  create: true
   plural:
     resources: {}
     size: 50Gi

rel/config/config.exs

@@ -23,13 +23,22 @@ config :core, Core.Guardian,
   issuer: "plural",
   secret_key: get_env("JWT_SECRET")
 
-config :core, Core.Repo,
-  database: "plural",
-  username: "plural",
-  password: get_env("POSTGRES_PASSWORD"),
-  hostname: get_env("DBHOST") || "plural-postgresql",
-  ssl: String.to_existing_atom(get_env("DBSSL") || "false"),
-  pool_size: 5
+
+
+if get_env("POSTGRES_URL") do
+  config :core, Core.Repo,
+    url: get_env("POSTGRES_URL"),
+    ssl: String.to_existing_atom(get_env("DBSSL") || "true"),
+    pool_size: 5
+else
+  config :core, Core.Repo,
+    database: "plural",
+    username: "plural",
+    password: get_env("POSTGRES_PASSWORD"),
+    hostname: get_env("DBHOST") || "plural-postgresql",
+    ssl: String.to_existing_atom(get_env("DBSSL") || "false"),
+    pool_size: 5
+end
 
 config :cloudflare,
   auth_token: get_env("CLOUDFLARE_AUTH_TOKEN")