Imports github.com/aws/aws-sdk-go/aws github.com/aws/aws-sdk-go/aws/credentials github.com/aws/aws-sdk-go/aws/session github.com/aws/aws-sdk-go/service/s3 github.com/gin-contrib/cors github.com/gin-gonic/gin github.com/joho/godotenv Standard library imports bytes fmt io log net/http os strings