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docker healthcheck: check that noVNC is reachable (and node running)

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Ralf Vogler 2025-05-25 20:00:32 +02:00
parent 3329d597b9
commit 3e3baa0d3e
2 changed files with 5 additions and 5 deletions
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4
Dockerfile
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@ -93,8 +93,8 @@ ENV DEPTH=24
# Show browser instead of running headless
ENV SHOW=1
# mega-linter (KICS, Trivy) complained about it missing - usually this checks some API endpoint, for a container that runs ~1min a healthcheck doesn't make that much sense since playwright has timeouts for everything. Could react to SIGUSR1 and actually check something - for now we just check that node is running...
HEALTHCHECK --interval=10s --timeout=5s CMD pgrep node
# mega-linter (KICS, Trivy) complained about it missing - usually this checks some API endpoint, for a container that runs ~1min a healthcheck doesn't make that much sense since playwright has timeouts for everything. Could react to SIGUSR1 and check something in JS - for now we just check that node is running and noVNC is reachable...
HEALTHCHECK --interval=5s --timeout=5s CMD pgrep node && curl --fail http://localhost:6080 || exit 1
# Script to setup display server & VNC is always executed.
ENTRYPOINT ["docker-entrypoint.sh"]

6
docker-compose.yml
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@ -4,9 +4,9 @@ services:
container_name: fgc # is printed in front of every output line
image: ghcr.io/vogler/free-games-claimer # otherwise image name will be free-games-claimer-free-games-claimer
build: .
healthcheck: # not that useful, but linter complained, see Dockerfile
test: "pgrep node"
interval: 10s
healthcheck: # see Dockerfile, check that node is running and noVNC is reachable
test: pgrep node && curl --fail http://localhost:6080 || exit 1
interval: 5s
timeout: 5s
ports:
# - "5900:5900" # VNC server