- Use GHC 9.2.5 for bootstrapping

- Build system: Migrate from make to Hadrian
- Install location: Migrate from /usr to /usr/local
- CMD instruction: Add ghci

- Fix .gitlab-ci.yml and latest Dockerfile

- Update latest Dockerfile

- Update base image to alpine:3.16

- Use GHC 9.0.2 for bootstrapping

- Use LLVM version 12 as backend

- Add patch for rts/RtsSymbols.c

- Use GHC 8.10.7 for bootstrapping

- Use GHC 8.10.6 for bootstrapping

- Use GHC 8.10.5 for bootstrapping
- Update GPG key server

- Update bootstrap images