hack: Init github action cron for updating issue

- just test if cron got triggered properly, the go code simply echo and
exit and does not do anything to issue

.dockerignore

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+201*
+2020
+docs
+.github
+.jekyll

.github/workflows/README.md

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+# Workflow for dyweb weekly
+
+GitHub workflow does the following things
+
+- create a new issue every week
+- close old issues when creating new issues
+- generate new weekly markdown file and push to master
+- generate new html? (not sure if it is really needed)
+
+## TODO
+
+- multiple workflow yaml
+
+## Reference
+
+- [cron](https://help.github.com/en/actions/reference/events-that-trigger-workflows#scheduled-events-schedule)

.github/workflows/issue.yaml

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+# create a new issue every week
+# FIXME(at15): it is coded to every 5 minutes to have test if things are working
+
+on:
+  schedule:
+    - cron: '*/5 * * * *'
+
+job:
+  create:
+    runs-on: ubuntu-latest
+    name: create new weekly issue
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: new issue
+        uses: ./ # Uses action in the root directory

Dockerfile

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+# https://steele.blue/tiny-github-actions/
+FROM dyweb/go-dev:1.13.6 as builder
+
+LABEL maintainer="[email protected]"
+
+ARG PROJECT_ROOT=/go/src/github.com/dyweb/weekly
+
+WORKDIR $PROJECT_ROOT
+
+COPY . $PROJECT_ROOT
+RUN cd scripts/weekly && go install .
+
+FROM ubuntu:18.04
+LABEL maintainer="[email protected]"
+WORKDIR /usr/bin
+COPY --from=builder /go/bin/weekly .
+ENTRYPOINT ["weekly"]
+CMD ["help"]

action.yml

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+name: 'weekly'
+description: 'Create new weekly issue, run weekly generator'
+runs:
+    using: 'docker'
+    image: 'Dockerfile'
+    # TODO: allow passing arguments from workflow
+    args:
+      - foo

scripts/weekly/go.mod

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+module github.com/dyweb/weekly/scripts/weekly
+
+go 1.13

scripts/weekly/main.go

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+package main
+
+import (
+	"fmt"
+	"os"
+)
+
+// TODO: create github client, port code from https://github.com/dyweb/dy-bot/blob/master/pkg/weekly/worker.go
+
+func main() {
+	fmt.Printf("weekly args %v\n", os.Args)
+}