Workaround for segmentation faults in hugo_extended registry image
- Run muslstack on hugo executable to extend thread stack size to 8MB
- Introduce multi-stage builds to reduce image size further
- Use alpine:image for the final image
muslstack utility: https://github.com/yaegashi/muslstack
muslstack test cases using Hugo extended version: https://github.com/yaegashi/muslstack/tree/master/tests/hugo
Related issue: #31 (closed)