add github action to build and push the image once per week

.github/workflows/build.yml

@@ -0,0 +1,29 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+  schedule:
+    - cron: '22 3 * * 7'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Log in
+        uses: docker/login-action@v3
+        with:
+          username: gbxyz
+          password: ${{secrets.DOCKER_PASSWORD}}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: gbxyz/rdapper:latest

.gitignore

@@ -6,4 +6,4 @@ MYMETA.*
 META.*
 MANIFEST
 MANIFEST.old
-
+.secrets

Dockerfile

@@ -1,6 +1,4 @@
 FROM perl:latest
 ENV DEBIAN_FRONTEND=noninteractive
-RUN apt-get update
-RUN apt-get upgrade -qqq
-RUN cpanm -n App::rdapper
+RUN cpanm -qn App::rdapper
 ENTRYPOINT ["/usr/local/bin/rdapper"]