diff --git a/config/database-docker.yml.example b/config/database-docker.yml.example
new file mode 100644
index 000000000..13043eb9f
--- /dev/null
+++ b/config/database-docker.yml.example
@@ -0,0 +1,28 @@
+default: &default
+  adapter: mysql2
+  host: <%= ENV.fetch("MYSQL_HOST") { '127.0.0.1' } %>
+  encoding: utf8mb4
+  reconnect: true
+  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
+  username: <%= ENV.fetch("MYSQL_USER") { 'root' } %>
+  password: <%= ENV.fetch("MYSQL_PWD") { '123456' } %>
+  gitea_server:
+    adapter: mysql2
+    database: <%= ENV.fetch("MYSQL_DB") { 'gitea' } %>
+    host: 127.0.0.1
+    username: <%= ENV.fetch("MYSQL_USER") { 'root' } %>
+    password: <%= ENV.fetch("MYSQL_PWD") { '123456' } %>
+    encoding: utf8
+
+development:
+  <<: *default
+  host: 127.0.0.1
+  database: forge_development
+
+test:
+  <<: *default
+  database: forge_test
+
+production:
+  <<: *default
+  database: <%= ENV.fetch("MYSQL_DB") { 'forge_production' } %>