hello world github action

Author: andnorda

.github/actions/post-log-to-slack/Dockerfile

@@ -0,0 +1,8 @@
+# Container image that runs your code
+FROM alpine:3.10
+
+# Copies your code file from your action repository to the filesystem path `/` of the container
+COPY entrypoint.sh /entrypoint.sh
+
+# Code file to execute when the docker container starts up (`entrypoint.sh`)
+ENTRYPOINT ["/entrypoint.sh"]

.github/actions/post-log-to-slack/action.yml

@@ -0,0 +1,16 @@
+# 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 }}

.github/actions/post-log-to-slack/entrypoint.sh

@@ -0,0 +1,6 @@
+#!/bin/sh -l
+
+echo "Hello $1"
+time=$(date)
+echo "time=$time" >> $GITHUB_OUTPUT
+

.github/workflows/post-log-to-slack.yml

@@ -0,0 +1,18 @@
+name: Post log to Slack
+on:
+  push:
+    branches: ["main"]
+
+jobs:
+  hello_world_job:
+    runs-on: ubuntu-latest
+    name: A job to say hello
+    steps:
+      - name: Hello world action step
+        id: hello
+        uses: actions/post-log-to-slack
+        with:
+          who-to-greet: "Mona the Octocat"
+      # Use the output from the `hello` step
+      - name: Get the output time
+        run: echo "The time was ${{ steps.hello.outputs.time }}"