Adding dockerfile and obs-service yaml

Signed-off-by: Alex Lau (AvengerMoJo) <alau@suse.com>

.gitea/workflows/obs-service.yaml

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+name: Gitea Actions Demo
+run-name: ${{ gitea.actor }} is testing out Gitea Actions 🚀
+on: [push]
+jobs:
+  Explore-Gitea-Actions:
+    runs-on: opensuse/tumbleweed-latest
+    steps:
+      - run: echo "🎉 The job was automatically triggered by a ${{ gitea.event_name }} event."
+      - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by opensuse!"
+      - run: echo "🔎 The name of your branch is ${{ gitea.ref }} and your repository is ${{ gitea.repository }}."
+      - name: Check out repository code
+        uses: actions/checkout@v3
+      - run: echo "💡 The ${{ gitea.repository }} repository has been cloned to the runner."
+      - run: echo "🖥️ The workflow is now ready to test your code on the runner."
+      - name: List files in the repository
+        run: |
+          ls ${{ gitea.workspace }}
+      - run: echo "🍏 This job's status is ${{ job.status }}."
+      - name : Hello world action step
+        id : hello
+        users: action/hello-docker-action@v2
+        with:
+            who-to-greety: 'AvengerMoJo'
+      - name: Get the output time
+        run: echo "The time was ${{ steps.hello.outputs.time }}"
+
+        
+
+

Dockerfile

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+FROM opensuse/tumbleweed:latest
+
+COPY hello.sh /hello.sh
+
+ENTRYPOINT ["/hello.sh"]

action.yml

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+# action.yml
+name: 'Hello World'
+description: 'Greet someone and record the time'
+inputs:
+  who-to-greet:  # id of input
+    description: 'Who to greet'
+    required: true
+    default: 'World'
+outputs:
+  time: # id of output
+    description: 'The time we greeted you'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+    - ${{ inputs.who-to-greet }}

hello.sh

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+#!/bin/sh -l
+
+echo "Hello $1"
+time=$(date)
+echo "time=$time" >> $GITEA_OUTPUT