How to fix Error: Error creating Lambda function: InvalidParameterValueException in Terraform

resource "aws_lambda_function" "example" {
  filename = "lambda.zip"
  s3_bucket = "my-bucket"  # This bucket must be in same region as function
  s3_key    = "deployments/lambda.zip"

  region = "us-east-1"  # Lambda region
}

aws s3api get-bucket-location --bucket my-bucket --region us-east-1

resource "aws_lambda_function" "example" {
  runtime = "python3.12"  # Make sure this is supported
}

resource "aws_lambda_function" "example" {
  memory_size = 256   # Must be 128-10240 MB, in 1 MB increments
  timeout     = 30    # Must be 1-900 seconds
}

handler = "lambda_function.handler"  # file.function_name

handler = "index.handler"  # file.function_name

handler = "main"  # Binary name in ZIP root

handler = "com.example.App::handleRequest"  # class::method

resource "aws_iam_role" "lambda_role" {
  assume_role_policy = jsonencode({
    Version = "2012-10-17"
    Statement = [{
      Action = "sts:AssumeRole"
      Effect = "Allow"
      Principal = {
        Service = "lambda.amazonaws.com"
      }
    }]
  })
}

resource "aws_iam_role_policy_attachment" "lambda_vpc_policy" {
  role       = aws_iam_role.lambda_role.name
  policy_arn = "arn:aws:iam::aws:policy/service-role/AWSLambdaVPCAccessExecutionRole"
}

resource "aws_lambda_function" "example" {
  role             = aws_iam_role.lambda_role.arn
  vpc_config {
    subnet_ids         = [aws_subnet.example.id]
    security_group_ids = [aws_security_group.example.id]
  }
}

# Calculate size of your environment variables
echo -n "KEY1=value1KEY2=value2KEY3=value3" | wc -c

resource "aws_lambda_function" "example" {
  # Use parameters from AWS Systems Manager instead of env vars
  environment {
    variables = {
      SECRETS_ARN = aws_secretsmanager_secret.example.arn
    }
  }
}

# Check uncompressed size
unzip -l lambda.zip | tail -1

# Check compressed size
ls -lh lambda.zip

resource "aws_lambda_function" "example" {
  # Option 1: Remove unused dependencies
  filename = "lambda-slim.zip"

  # Option 2: Use Lambda layers for common libraries
  layers = [aws_lambda_layer_version.dependencies.arn]
}

resource "aws_lambda_function" "example" {
  publish = true  # Creates a versioned function instead of $LATEST only
}

resource "aws_lambda_permission" "example" {
  statement_id  = "AllowAPIGateway"
  action        = "lambda:InvokeFunction"
  function_name = aws_lambda_function.example.function_name
  principal     = "apigateway.amazonaws.com"
}

resource "time_sleep" "wait_for_iam_propagation" {
  create_duration = "10s"

  depends_on = [
    aws_iam_role_policy_attachment.lambda_policy
  ]
}

resource "aws_lambda_function" "example" {
  role = aws_iam_role.lambda_role.arn

  depends_on = [
    time_sleep.wait_for_iam_propagation
  ]
}