Use .env file instead of local config.

.env.example

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+# Database connection setting
+# This uses the Index library's DSN syntax
+# Currently Misuzu only supports MariaDB, or Null of course since that does nothing
+#
+# For normal TCP connection you can use the following syntax:
+#DATABASE_DSN="mariadb://username:password@hostname/dbname?charset=utf8mb4"
+#
+# For a UNIX socket connection you can use the following syntax:
+#DATABASE_DSN="mariadb://username:password@:unix:/dbname?socket=/path/to/mysqld.sock&charset=utf8mb4"
+#
+# And here's your unsensible default:
+DATABASE_DSN="null:"
+
+# Sentry error reporting setting
+# I have not idea this works, just shove the value Sentry gives you in here.
+# You can also leave it commented.
+#SENTRY_DSN="https://6e41e3a2507d1542fd1e9aaf54f05d87@o4505858016870400.ingest.sentry.io/4505858023751680"
+
+# Domain roles
+# This assigns what domain has what role, domains can also have multiple roles!
+# Pairs are split by ;, domain and role pairs are split by =, roles are split by , and if you want a prefix use :
+# The example below maps everything to localhost for development.
+# But to make things more understandable, the value for Flashii is also included
+#DOMAIN_ROLES="flashii.net=main; fii.moe=redirect"
+DOMAIN_ROLES="localhost=main,redirect:/go"