Docker: Improve cleanup

We had dangling images due to dangling container.
But we cannot safely remove the containers in the same run, because we have two actions running in parallel that might interfere.
We use the grace period of 72h to secure this and remove everything that is old.

.github/workflows/deploy-app.yml

@@ -86,11 +86,15 @@ jobs:
           host: ${{ secrets.SSH_HOST }}
           username: ${{ secrets.SSH_USERNAME }}
           password: ${{ secrets.SSH_PASSWORD }}
+          # Note on the "Cleanup docker"
+          # There might be a race condition with the other github action as we are building app an processing in parallel
+          # The 72h grace period should make sure nothing happend during the current build but old things get cleaned up
           script: |
             cd /srv
             echo "Pulling latest 'app' image"
             docker compose pull app
             echo "Restarting 'app' container"
             docker compose up app -d
-            echo "Pruning images"
-            docker image prune -fa
+            echo "Cleanup docker (containers and images) that are older than 72h"
+            docker container prune -f --filter "until=72h"
+            docker image prune -fa --filter "until=72h"

.github/workflows/deploy-processing.yml

@@ -78,11 +78,15 @@ jobs:
           host: ${{ secrets.SSH_HOST }}
           username: ${{ secrets.SSH_USERNAME }}
           password: ${{ secrets.SSH_PASSWORD }}
+          # Note on the "Cleanup docker"
+          # There might be a race condition with the other github action as we are building app an processing in parallel
+          # The 72h grace period should make sure nothing happend during the current build but old things get cleaned up
           script: |
             cd /srv
             echo "Pulling latest 'processing' image"
             docker compose pull processing
             echo "Restarting 'processing' container"
             docker compose up processing -d
-            echo "Pruning images"
-            docker image prune -fa
+            echo "Cleanup docker (containers and images) that are older than 72h"
+            docker container prune -f --filter "until=72h"
+            docker image prune -fa --filter "until=72h"

.github/workflows/restart-services.yml

@@ -34,4 +34,3 @@ jobs:
             echo "Restarting containers: tiles, db, traefik and proxy"
             docker compose pull
             docker compose -f docker-compose.yml -f docker-compose.network.yml up tiles db traefik proxy -d
-            docker image prune -fa