SENDER_EMAIL= EMAIL_PASSWORD= HF_TOKEN= HF_TEXT_MODEL=Qwen/Qwen2.5-1.5B-Instruct HF_VISION_MODEL=Salesforce/blip-image-captioning-base AWS_REGION=ap-south-1 S3_BUCKET=your-training-bucket EC2_AMI_ID=ami-09298640a92b2d12c EC2_INSTANCE_TYPE=t2.micro