towerops/k8s
Graham McIntire 31cbd18128 ci: cache slow runtime apt deps in a prebuilt base image
Splits the runtime apt installs (gdal-bin, snmp, libsnmp40, locales,
BEAM runtime libs) into k8s/Dockerfile.base, hosted at
codeberg.org/gmcintire/towerops-base:latest. The app Dockerfile now
does FROM that base instead of re-installing gdal (~500 MB) on every
push.

The new build-base workflow rebuilds the base image only when
k8s/Dockerfile.base or the workflow itself changes, weekly via cron
(Sundays 06:00 UTC, with CACHE_BUST=<ISO week> to force apt-get update
on a week boundary), or via workflow_dispatch.

Production workflow now uses buildx + does docker login before the
build so it can pull the private base image.
2026-05-05 11:19:49 -05:00
..
base-image Dockerfile: align Elixir/OTP/Debian versions with microwaveprop 2026-04-29 12:45:21 -05:00
certificate.yaml Remove www subdomain from certificate and IngressRoute 2026-01-02 15:06:21 -06:00
deployment.yaml ci: move container image to codeberg.org/gmcintire/towerops 2026-05-05 10:57:24 -05:00
Dockerfile ci: cache slow runtime apt deps in a prebuilt base image 2026-05-05 11:19:49 -05:00
Dockerfile.base ci: cache slow runtime apt deps in a prebuilt base image 2026-05-05 11:19:49 -05:00
ingressroute.yaml Remove www subdomain from certificate and IngressRoute 2026-01-02 15:06:21 -06:00
kustomization.yaml fix: exclude cert-manager and traefik resources from FluxCD kustomization 2026-02-14 11:05:20 -06:00
namespace.yaml Add Kubernetes deployment manifests for towerops.net 2026-01-02 14:38:52 -06:00
poddisruptionbudget.yaml Add zero-downtime deployment configuration 2026-01-17 12:44:22 -06:00
README.md Set DEPLOY_TIMESTAMP from GitLab CI instead of pod metadata 2026-01-17 11:17:07 -06:00
service-headless.yaml cluster 2026-01-02 15:29:02 -06:00
service.yaml Add Kubernetes deployment manifests for towerops.net 2026-01-02 14:38:52 -06:00
traefik-security-headers-middleware.yaml fix prod crash with yaml parsing 2026-01-31 08:25:07 -06:00

Kubernetes Deployment

Secrets Management

Secrets are managed directly in the cluster and must be created before deploying the application.

Required secrets in the towerops namespace:

  • gitlab-registry - Docker registry credentials for pulling images
  • towerops-secrets - Application secrets (RELEASE_COOKIE, SECRET_KEY_BASE)
  • towerops-db - Database connection credentials
  • towerops-aws - AWS credentials (AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_REGION)

For local development, the project root .envrc is used by direnv.

Deployment Timestamp

The application footer displays the deployment timestamp to track when the current version was deployed. This is automatically set by GitLab CI during deployment:

# GitLab CI sets this during deploy
- kubectl set env deployment/towerops DEPLOY_TIMESTAMP=$(date -u +"%Y-%m-%dT%H:%M:%SZ") -n towerops

All pods in the deployment share the same timestamp (when the deployment was initiated), regardless of when individual pods were created. This is displayed in the footer as "Last deployed X ago · YYYY-MM-DD HH:MM:SS UTC".

For manual deployments without GitLab CI, set the timestamp:

kubectl set env deployment/towerops DEPLOY_TIMESTAMP=$(date -u +"%Y-%m-%dT%H:%M:%SZ") -n towerops

Deploying

Apply all resources using kustomize:

kubectl apply -k k8s/

Or individually:

kubectl apply -f k8s/namespace.yaml
kubectl apply -f k8s/secret.yaml
kubectl apply -f k8s/deployment.yaml
kubectl apply -f k8s/service.yaml
kubectl apply -f k8s/service-headless.yaml
kubectl apply -f k8s/certificate.yaml
kubectl apply -f k8s/ingressroute.yaml