Add Dockerfile

.forgejo/workflows/build.yaml

@@ -0,0 +1,8 @@
+on:
+  schedule:
+    - cron: '0 0 * */1 *'
+jobs:
+  build:
+    runs-on: docker
+    steps:
+      - run: date

Dockerfile

@@ -0,0 +1,3 @@
+# hadolint ignore=DL3006
+FROM alpine:latest
+RUN apk add bash