feat: add healthcheck binary support for slim DHIS2 images #80
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Add lightweight static healthcheck binaries that work in minimal/distroless images that lack curl, wget, or bash. Changes include: - Add healthcheck-amd64 and healthcheck-arm64 binaries - Auto-detect CPU architecture in generate-env.sh - Change POSTGRES_VERSION to POSTGRES_IMAGE for flexibility - Add baosystems/postgis option for ARM compatibility - Install curl in update-admin-password.sh for minimal images - Change healthcheck endpoint to /api/ping - Increase tmpfs size to 300MB for better performance Signed-off-by: Morten Svanaes <msvanaes@dhis2.org>
Instead of storing binary files in the repository, download the healthcheck binary at container startup using healthcheck-init service. This follows the same pattern as glowroot-init and otel-init. Changes: - Add healthcheck-init service to download binary with SHA256 verification - Mount healthcheck volume into app container - Update tools/README.md to document the new approach Source: https://github.com/netroms/simple_healthcheck v1.0.0 Signed-off-by: Morten Svanaes <msvanaes@dhis2.org>
Removed log4j2.xml volume mapping from DHIS2 service.
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This PR is adding three features:
Changes include: