container-schulung/listings/exercises/ex18-quadlets/commands.txt
Frank Engel b32d8c2472 exercises: ex16-19 hinzugefügt, commands.sh → commands.txt
- ex16: lokale Registry + VisitCounter pushen
- ex17: vollständiger Update-Zyklus (edit → build → push → restart)
- ex18: VisitCounter mit Quadlets deployen
- ex19: Container schrittweise härten (read-only, cap-drop, no-new-priv)
- alle commands.sh umbenannt in commands.txt, Shebang entfernt

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-21 09:09:51 +02:00

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# Exercise 18 — Deploy VisitCounter via Quadlets
# Create the Quadlet directory
mkdir -p ~/.config/containers/systemd/
# Copy all Quadlet unit files
cp listings/visitcounter/quadlets/* ~/.config/containers/systemd/
# Reload systemd to pick up the new units
systemctl --user daemon-reload
# Check that units were generated
systemctl --user list-unit-files | grep visitcounter
# → visitcounter-app.service generated
# → visitcounter-db.service generated
# → visitcounter-proxy.service generated
# Start only the proxy — systemd resolves After= dependencies automatically
systemctl --user start visitcounter-proxy.service
# Verify all three services are running
systemctl --user status visitcounter-db.service
systemctl --user status visitcounter-app.service
systemctl --user status visitcounter-proxy.service
# Test
curl localhost:8080
# Bonus: kill the app container and watch systemd restart it
podman stop systemd-visitcounter-app
systemctl --user status visitcounter-app.service