import base64 def lambda_handler(event, context): print('\n==event==') print(event) response = { "statusCode": 200, "statusDescription": "200 OK", "isBase64Encoded": True, "headers": { "Content-Type": "image/png;" } } with open("./image1.png", "rb") as imageFile: raw_data = imageFile.read() encoded_data = base64.b64encode(raw_data) response['body']=encoded_data return response