diff --git a/scripts/run-migrations-and-copy-database.sh b/scripts/run-migrations-and-copy-database.sh
index 83631d1..b9da3a9 100644
--- a/scripts/run-migrations-and-copy-database.sh
+++ b/scripts/run-migrations-and-copy-database.sh
@@ -17,6 +17,7 @@ log() {
     local timestamp
     timestamp=$(date +"%Y-%m-%d %H:%M:%S")
     echo "$emoji [$timestamp] [$level] $message"
+    return 0
 }
 
 # Check if the EF Core CLI tool is installed
@@ -33,18 +34,18 @@ touch "$TARGET_FILE_PATH"
 # Run the database migration
 log "✅" "INFO" "Running EF Core database migration for project at '$PROJECT_ROOT_PATH'..."
 dotnet ef database update --project "$PROJECT_ROOT_PATH"
-if [ $? -ne 0 ]; then
+if [[ $? -ne 0 ]]; then
     log "❌" "ERROR" "Migration failed. See error above."
     exit 1
 fi
 
 # Check and copy database
-if [ -f "$SOURCE_FILE_PATH" ]; then
+if [[ -f "$SOURCE_FILE_PATH" ]]; then
     log "✅" "INFO" "Found database at '$SOURCE_FILE_PATH'"
     log "✅" "INFO" "Copying to '$TARGET_FILE_PATH'..."
     cp -f "$SOURCE_FILE_PATH" "$TARGET_FILE_PATH"
 
-    if [ $? -eq 0 ]; then
+    if [[ $? -eq 0 ]]; then
         log "✅" "INFO" "Database successfully copied to '$TARGET_FILE_PATH'"
     else
         log "❌" "ERROR" "Failed to copy the database file."
@@ -57,9 +58,9 @@ else
 fi
 
 # Confirm destination file exists
-if [ -f "$TARGET_FILE_PATH" ]; then
+if [[ -f "$TARGET_FILE_PATH" ]]; then
     log "✅" "INFO" "Done. The database is now available at '$TARGET_FILE_PATH'"
 else
     log "⚠️" "WARNING" "Something went wrong. The destination file was not found."
     exit 1
-fi
\ No newline at end of file
+fi
diff --git a/src/Dotnet.Samples.AspNetCore.WebApi/Controllers/PlayerController.cs b/src/Dotnet.Samples.AspNetCore.WebApi/Controllers/PlayerController.cs
index 42f25ee..3a566c9 100644
--- a/src/Dotnet.Samples.AspNetCore.WebApi/Controllers/PlayerController.cs
+++ b/src/Dotnet.Samples.AspNetCore.WebApi/Controllers/PlayerController.cs
@@ -177,7 +177,7 @@ [FromBody] PlayerRequestModel player
                 .ToArray();
 
             logger.LogWarning(
-                "PUT /players/{squadNumber} validation failed: {@Errors}",
+                "PUT /players/{SquadNumber} validation failed: {@Errors}",
                 squadNumber,
                 errors
             );
diff --git a/src/Dotnet.Samples.AspNetCore.WebApi/Models/PlayerRequestModel.cs b/src/Dotnet.Samples.AspNetCore.WebApi/Models/PlayerRequestModel.cs
index 3735482..cdc6928 100644
--- a/src/Dotnet.Samples.AspNetCore.WebApi/Models/PlayerRequestModel.cs
+++ b/src/Dotnet.Samples.AspNetCore.WebApi/Models/PlayerRequestModel.cs
@@ -20,7 +20,7 @@ public class PlayerRequestModel
 
     public DateTime? DateOfBirth { get; set; }
 
-    public int SquadNumber { get; set; }
+    public required int SquadNumber { get; set; }
 
     public string? AbbrPosition { get; set; }
 
diff --git a/src/Dotnet.Samples.AspNetCore.WebApi/Validators/PlayerRequestModelValidator.cs b/src/Dotnet.Samples.AspNetCore.WebApi/Validators/PlayerRequestModelValidator.cs
index 46949cd..bd17682 100644
--- a/src/Dotnet.Samples.AspNetCore.WebApi/Validators/PlayerRequestModelValidator.cs
+++ b/src/Dotnet.Samples.AspNetCore.WebApi/Validators/PlayerRequestModelValidator.cs
@@ -33,7 +33,6 @@ public PlayerRequestModelValidator(IPlayerRepository playerRepository)
             .WithMessage("SquadNumber must be greater than 0.")
             .MustAsync(BeUniqueSquadNumber)
             .WithMessage("SquadNumber must be unique.");
-        ;
 
         RuleFor(player => player.AbbrPosition)
             .NotEmpty()