Minimal Docker image for Go App
Minimal Docker image for Go App
September 22, 2023
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 example
.
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