cleanup; readme; workflow_dispatch does not yet work in gitea, but trigger can be changed for pseudo-manual triggers

.drone.yml

@@ -1,17 +0,0 @@
-# ---
-# kind: template
-# load: multiarch-container.yaml
-# data:
-#   repo: images/rotate-backups
-#   build_args:
-#   - PYTHON_VERSION=3
-#   - ALPINE_VERSION=3.18
-#   - ROTATE_BACKUPS_VERSION=8.1
-#   tags:
-#   - "8.1"
-#   - "8"
-#   platforms:
-#   - os: linux
-#     arch: arm64
-#   - os: linux
-#     arch: amd64

.gitea/workflows/build-and-publish.yaml

@@ -25,7 +25,7 @@ jobs:
         username: ${{ secrets.REGISTRY_USER }}
         password: ${{ secrets.REGISTRY_TOKEN }}
 
-    - name: Build and push
+    - name: Build and publish
       uses: docker/build-push-action@v4
       env:
         # see <https://docs.gitea.com/usage/actions/comparison#dockerbuild-push-actionv4>

.gitea/workflows/build.yaml

@@ -21,7 +21,7 @@ jobs:
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v2
 
-    - name: Build and push
+    - name: Build
       uses: docker/build-push-action@v4
       env:
         # see <https://docs.gitea.com/usage/actions/comparison#dockerbuild-push-actionv4>

readme.md

@@ -2,3 +2,43 @@
 # `rotate-backups` in a container image
 
 <https://rotate-backups.readthedocs.io>
+
+## Example usage in kubernetes cronjob
+
+```yaml
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: mariadb-backup-rotate-cron
+  namespace: mariadb
+  labels:
+    app: mariadb-backup-rotate-cron
+spec:
+  schedule: "0 4 20 * *"  # 20th of each month at 4am
+  jobTemplate:
+    spec:
+      template:
+        metadata:
+          labels:
+            app: mariadb-backup-rotate-cron
+        spec:
+          containers:
+          - name: mariadb-backup-rotate-container
+            image: gitea.jbrumond.me/images/rotate-backups:8
+            command: [ "/opt/rotate.sh", "--daily=7", "--weekly=4", "--monthly=12", "--yearly=always" ]
+            resources:
+              limits:
+                cpu: 500m
+                memory: 1Gi
+              requests:
+                cpu: 100m
+                memory: 100Mi
+            volumeMounts:
+            - name: mariadb-backup-persistent-storage
+              mountPath: /data
+          restartPolicy: OnFailure
+          volumes:
+          - name: mariadb-backup-persistent-storage
+            persistentVolumeClaim:
+              claimName: mariadb-backup-pv-claim
+```