add nightly builds

Author: Krzysztof Węgliński

.github/workflows/nightly-docker-image.yml

@@ -0,0 +1,32 @@
+name: Docker CI
+
+on:
+  push:
+    branches:
+      - "develop"
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          tags: |
+            kweg/omnipoly:nightly

changelog.md

@@ -1,3 +1,7 @@
+### Unreleased
+
+- Added nightly builds on develop branch
+
 ### 0.10.4
 
 - fix: z-index