From 26bcfba18f53c22723be473da163cfed954574bd Mon Sep 17 00:00:00 2001
From: Fork Less <forkless@gmail.com>
Date: Wed, 24 Jun 2026 14:45:21 +0200
Subject: [PATCH] add Gitea Actions CI: build & push Docker image on push to
 master/develop

---
 .gitea/workflows/docker-build.yml | 51 +++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 .gitea/workflows/docker-build.yml

diff --git a/.gitea/workflows/docker-build.yml b/.gitea/workflows/docker-build.yml
new file mode 100644
index 00000000..b5ac124b
--- /dev/null
+++ b/.gitea/workflows/docker-build.yml
@@ -0,0 +1,51 @@
+name: Docker Build
+
+on:
+  push:
+    branches:
+      - master
+      - develop
+  pull_request:
+    branches:
+      - master
+      - develop
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Gitea Container Registry
+        if: github.event_name == 'push'
+        uses: docker/login-action@v3
+        with:
+          registry: gitea.forkless.com
+          username: ${{ secrets.GITEAUSERNAME }}
+          password: ${{ secrets.GITEATOKEN }}
+
+      - name: Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: gitea.forkless.com/forkless/mermaid-live-editor
+          tags: |
+            type=raw,value=latest,enable=${{ github.ref_name == 'master' }}
+            type=raw,value=nightly,enable=${{ github.ref_name == 'develop' }}
+            type=sha,prefix={{branch}}-
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          target: mermaid
+          push: ${{ github.event_name == 'push' }}
+          pull: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            MERMAID_RENDERER_URL=${{ vars.MERMAID_RENDERER_URL || 'https://mermaid.ink' }}
+            MERMAID_KROKI_RENDERER_URL=${{ vars.MERMAID_KROKI_RENDERER_URL || 'https://kroki.io' }}