dbdump initial commit

dbdump_mongo/.env.example

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+# MongoDB Dump Environment Configuration Example
+# Copy this pattern to create environments: .env.prod, .env.uat, etc.
+# DO NOT commit actual configuration files to version control
+
+# Environment: example
+# Created: 2026-04-14
+
+# MongoDB credentials (no defaults - must be provided)
+MONGO_USERNAME=admin_user
+MONGO_PASSWORD=secure_password_here
+MONGO_HOST=cluster0.mongodb.net
+MONGO_PORT=27017
+APP_NAME=my-app
+
+# Note: The connection string will be constructed as:
+# mongodb://<MONGO_USERNAME>:<MONGO_PASSWORD>@<MONGO_HOST>:<MONGO_PORT>/
+#   ?ssl=true&replicaSet=globaldb&retrywrites=false
+#   &maxIdleTimeMS=120000&appName=@<APP_NAME>@