Add Debian and UBI image flavours#4
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Use bash array for find arguments instead of building a string. The unquoted glob pattern *.log was subject to shell expansion when .log files existed in the container CWD, causing find to discover all files regardless of LOG_FILE_ENDINGS setting.
Introduce Containerfile.debian (bookworm-slim) and Containerfile.ubi (UBI 9 minimal) alongside the existing Alpine image. Alpine remains the default with no tag suffix for backwards compatibility. Ofelia and tini are musl-linked, so Debian and UBI images copy the musl dynamic linker from Alpine. UBI uses a builder stage for tini. All CI workflows use matrix strategies to build, test, and publish all three flavours in parallel. Tag convention: 1.2.3, 1.2.3-debian, 1.2.3-ubi.
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Description
This pull request introduces multi-flavour support for the logrotate container, adding dedicated builds and CI/CD pipelines for Alpine, Debian, and UBI (Red Hat) base images. The CI/CD workflows and documentation are updated to reflect this, and the E2E test runner is enhanced to test all flavours. The most important changes are outlined below.
Containerization: Multi-flavour support
Containerfile.alpine,Containerfile.debian, andContainerfile.ubi, each tailored to their respective base images and package managers. This enables building images for Alpine, Debian, and UBI (Red Hat) distributions. [1] [2] [3].dockerignoreto include new build and documentation files, ensuring cleaner build contexts.CI/CD and Build Pipeline Updates
build_edge.ymlandbuild_production.ymlworkflows to build and tag images for all three flavours using a matrix strategy, and to apply appropriate tag suffixes (-debian,-ubi, or none for Alpine). [1] [2] [3] [4]e2e.ymlworkflow to run E2E tests for each flavour, ensuring all variants are tested in CI. [1] [2]E2E Test Runner Improvements
e2e/run-tests.shto accept aCONTAINERFILEenvironment variable for specifying which Dockerfile/flavour to test, and to display the tested flavour in both console output and GitHub step summary. [1] [2] [3]Documentation Updates
CLAUDE.mdto document the new multi-flavour build process, usage instructions, CI/CD conventions, and tag suffixes for each flavour. [1] [2] [3] [4]