chore: manage docker bloat on deployments

automatically prune old images and raise warnings for dangling
volumes and exited containers on GitHub Actions workflow deployments.

Closes #1918

Signed-off-by: Luiz Georg <luiz.georg@profusion.mobi>

Author: mentonin

.github/workflows/deploy-production.yaml

@@ -106,8 +106,10 @@ jobs:
             cp ~/.env-production dashboard-production/.env &&
             cd dashboard-production &&
             git checkout ${GITHUB_SHA} &&
-            docker compose -f docker-compose-next.yml pull &&
-            docker compose -f docker-compose-next.yml up -d
+            docker compose up --pull=always --remove-orphans --detach &&
+            docker image prune -fa --filter "until=48h" &&
+            docker volume ls --filter dangling=true --format "::warning::volume {{.Name}} is dangling" &&
+            docker container ls -f status=exited --format "::warning::container {{.ID}} {{.Status}} ({{.Names}})"
           "
         env:
           SSH_USER: ${{ secrets.STAGING_USER }}

.github/workflows/deploy-staging.yaml

@@ -67,9 +67,10 @@ jobs:
             cp ~/.env-staging dashboard-staging/.env &&
             cd dashboard-staging &&
             git checkout ${GITHUB_SHA} &&
-            docker compose down &&
-            docker compose build --no-cache &&
-            docker compose up -d
+            docker compose up --build --pull=always --remove-orphans --detach &&
+            docker image prune -fa --filter "until=48h" &&
+            docker volume ls --filter dangling=true --format "::warning::volume {{.Name}} is dangling" &&
+            docker container ls -f status=exited --format "::warning::container {{.ID}} {{.Status}} ({{.Names}})"
           "
         env:
           SSH_USER: ${{ secrets.STAGING_USER }}

.github/workflows/staging-db.yaml

@@ -24,5 +24,7 @@ jobs:
           git fetch
           git checkout ${{ github.event.inputs.GIT_BRANCH }}
           cd ..
-          docker compose -f docker-compose-all.yaml --profile=self-hosted build
-          docker compose -f docker-compose-all.yaml --profile=self-hosted up -d --remove-orphans
+          docker compose -f docker-compose-all.yaml --profile=self-hosted up --build --pull=always --remove-orphans --detach
+          docker image prune -fa --filter "until=48h"
+          docker volume ls --filter dangling=true --format "::warning::volume {{.Name}} is dangling"
+          docker container ls -f status=exited --format "::warning::container {{.ID}} {{.Status}} ({{.Names}})"