diff --git a/.github/workflows/build_container.yaml b/.github/workflows/build_container.yaml
deleted file mode 100644
index c4b3ee4..0000000
--- a/.github/workflows/build_container.yaml
+++ /dev/null
@@ -1,46 +0,0 @@
-name: Build & Publish Docker images
-
-on:
-  release:
-    types: [published]
-
-jobs:
-  push_to_registries:
-    name: Push Docker image to multiple registries
-    runs-on: ubuntu-latest
-    permissions:
-      packages: write
-      contents: read
-    steps:
-      - name: Check out the repo
-        uses: actions/checkout@v4
-      
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-      
-      - name: Login to Quay
-        uses: docker/login-action@v3
-        with:
-          registry: quay.io
-          username: ${{ secrets.QUAY_USERNAME }}
-          password: ${{ secrets.QUAY_ROBOT_TOKEN }}
-      
-      - name: Extract metadata (tags, labels) for Docker
-        id: meta
-        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
-        with:
-          images: |
-            chrisshort/chkcerts
-            ghcr.io/${{ github.repository }}
-      
-      - name: Build and push Docker images
-        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
-        with:
-          context: .
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}