5.2.0: Update goss from 0.3.16 to 0.3.21, add support to update /etc/apt/sources.list, remove deprecated bases

Added

• Utility script to update Ubuntu's /etc/apt/sources.list [#76]
  • shunit2 library and tests for the utility script
  • Documentation on how to use the utility script

Changed

• Updated goss from 0.3.16 to 0.3.21 [#78]

Removed

• Stop building deprecated bases: alpine, centos-7, ubuntu-18.04 [#79]

Dockerfile: Mark CentOS, Alpine as Deprecated. Add yum update to pull CentOS 7 packages

Added:

• Step to run yum -y update for the CentOS variant to pick up updated packages not available via security update [#74]
• Troubleshooting doc for gpg: keyserver receive failed: End of file

Changed:

• Updated README and corresponding Dockerfiles to deprecate Alpine, CentOS
• Bump docker-base version from 5.0.1 to 5.1.0

S6: Roll back to earlier 2.x release

Added:

• Goss/S6: allowing ENV override for install script

Changed:

• Rolled back S6 to v2.1.0.2 due to regression in v2.2.0.0: just-containers/s6-overlay#363

Dockerfile: Add Ubuntu 22.04 support

Added:

• Ubuntu 22.04 LTS base image, tagged as -VERSION#-ubuntu-22.04 [#71]

Changed:

• Switched Travis environment from the default Ubuntu 16.04 (Xenial) to Ubuntu 20.04 (Focal) and switched arm64 builds from arm64 LXD to arm64-graviton as Travis CI builds were otherwise failing.
• Bump docker-base version from 4.1.0 to 5.0.0

Dockerfile: updating Alpine to 3.15

Updated

• Update alpine from 3.12 to 3.14. Released Nov 24, 2021 - https://wiki.alpinelinux.org/wiki/Release_Notes_for_Alpine_3.15.0 [#70]
• Bump docker-base version from 4.0.0 to 4.1.0

Github Actions + multi-arch support

Added

• Github Actions: added PR builder and release hub push - thank you @bryanlatten
• Bump docker-base version from 3.2.2 to 4.0.0

CPU Arch: added helper script for simple string replacements

Added

• CPU Arch: added helper script for simple string replacements [#66] - thank you @bryanlatten
• Bump docker-base version from 3.2.1 to 3.2.2

Dockerfile: Update alpine edge repo url to https + add architecture detection for goss/s6 packages

Updated

• Alpine: edge repos now support HTTPS [#65] - thank you @bryanlatten
• ARM architecture: Goss + S6 require architecture detection for packages [#64] - thank you @bryanlatten
• Bump docker-base version from 3.2.0 to 3.2.1

Dockerfile: updating Alpine to 3.14

Updated

• Update alpine from 3.12 to 3.14. Released Nov 24, 2021 - https://wiki.alpinelinux.org/wiki/Release_Notes_for_Alpine_3.14.0 [#61]
• Bump docker-base version from 3.0.1 to 3.2.0

S6: updated to v2.2.0.3

Updated

• s6-overlay from 2.1.0.2 to 2.2.0.3. Released Feb 15, 2021 - https://github.com/just-containers/s6-overlay/releases/tag/v2.2.0.3 [#60]
• Bump docker-base version from 3.0.1 to 3.1.0