Minimal Docker image for Go App
It is possible to create minimal Docker image with single binary file.
Build Go App
Build Go App for linux as usually:
go build -ldflags="-s -w" -trimpath ./cmd/example
If you work on macOS append flags for cross compilation:
GOARCH=amd64 GOOS=linux go build ...
In current directory will be created binary file
Create Docker image
Docker uses tar archives to import images:
tar -c example | docker import - example:latest
Launch Docker container
Now you may start new container with created image:
docker run example:latest /example