diff --git a/.github/workflows/docker-build-planetarium.yaml b/.github/workflows/docker-build-planetarium.yaml
new file mode 100644
index 0000000000..75cb4c3843
--- /dev/null
+++ b/.github/workflows/docker-build-planetarium.yaml
@@ -0,0 +1,65 @@
+name: Build docker image for planetarium
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+      id-token: write
+
+    steps:
+      - name: Install cosign
+        if: github.event_name != 'pull_request' && github.repository_owner == 'planetarium'
+        uses: sigstore/cosign-installer@v3.5.0
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3.0.0
+
+      - name: Log into registry ${{ env.REGISTRY }}
+        if: github.event_name != 'pull_request' && github.repository_owner == 'planetarium'
+        uses: docker/login-action@v3.0.0
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5.0.0
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=ref,event=branch
+            type=ref,event=pr
+            type=sha
+
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@v5.0.0
+        with:
+          platforms: linux/amd64,linux/arm64/v8
+          push: ${{ github.event_name != 'pull_request' && github.repository_owner == 'planetarium' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Sign the published Docker image
+        if: ${{ github.event_name != 'pull_request' && github.repository_owner == 'planetarium' }}
+        run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}
+        env:
+          TAGS: ${{ steps.meta.outputs.tags }}
+          DIGEST: ${{ steps.build-and-push.outputs.digest }}