🐛 Add .gitattributes file to ensure LF endings for .sh files

.env

@@ -7,6 +7,4 @@ DB_USER=sentinel
 DB_PASSWORD=12345678
 DB_PORT=27017
 DB_NAME=sentinel
-
-DB_ROOT_USER=root123
-DB_ROOT_PASSWORD=12345678
+DB_SERVER=localhost

.gitattributes

@@ -0,0 +1,2 @@
+* text=auto
+*.sh text eol=lf

deployment.md

@@ -43,6 +43,13 @@ You can initialize the MongoDB user by either:
   sh scripts/mongo-setup.sh
   ```
 
+  If the setup script has incorrect line endings (`CRLF`) and you want to convert them to Unix (`LF`), you can use a tool or command to do so:
+
+  ```bash
+  sed -i 's/\r$//' ./scripts/mongo-setup.sh
+  ```
+  afterwards you can run the shell file again.
+
 - Manually creating a user using the mongosh CLI.
 
 # URLs

scripts/mongo-setup.sh

@@ -5,7 +5,7 @@ if [ -z "$DB_USER" ] || [ -z "$DB_PASSWORD" ] || [ -z "$DB_SERVER" ] || [ -z "$D
     exit 1
 fi
 
-mongosh --host $DB_SERVER --port $DB_PORT -u $DB_USER -p $DB_PASSWORD --authenticationDatabase admin <<EOF
+mongosh --host $DB_SERVER --port $DB_PORT --authenticationDatabase admin <<EOF
 use $DB_NAME
 db.dropUser("$DB_USER")
 db.createUser({
@@ -15,4 +15,4 @@ db.createUser({
         { role: "readWrite", db: "$DB_NAME" }
     ]
 })
-EOF
+EOF