diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
new file mode 100644
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+++ b/.gitea/workflows/build.yml
@@ -0,0 +1,44 @@
+# https://docs.gitea.com/usage/actions/overview
+# https://docs.github.com/ru/actions/reference/workflows-and-actions/contexts
+
+name: Build images
+
+on:
+  push:
+    branches:
+      - 'master'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with: # https://github.com/actions/checkout
+          fetch-depth: 0
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with: # https://github.com/docker/setup-buildx-action
+          buildkitd-config-inline: |
+            # https://github.com/moby/buildkit/blob/master/docs/buildkitd.toml.md
+            [ registry."docker.io" ]
+            mirrors = ["https://dockerhub.timeweb.cloud", "https://dh-mirror.gitverse.ru"]
+            http = true
+            insecure = true
+
+      - name: Log in to Gitea Container Registry
+        uses: docker/login-action@v3
+        with: # https://github.com/docker/login-action
+          registry: git.axenov.dev
+          username: ${{ secrets.USERNAME }}
+          password: ${{ secrets.RELEASE_TOKEN }}
+
+      - name: Build and push Docker images
+        uses: docker/build-push-action@v5
+        with: # https://github.com/docker/build-push-action
+          context: .
+          push: true
+          tags: |
+            git.axenov.dev/iptv/m3u-su-docs:${{ github.ref_name }}
+            git.axenov.dev/iptv/m3u-su-docs:latest