add docker hub deployment

.github/slack/payload-slack-content.json

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+{
+	"attachments": [
+		{
+			"color": "#008000",
+			"blocks": [
+				{
+					"type": "header",
+					"text": {
+						"type": "plain_text",
+						"text": "New Release Created in: ${{ env.REPOSITORY_NAME }}",
+						"emoji": true
+					}
+				},
+				{
+					"type": "divider"
+				},
+				{
+					"type": "section",
+					"text": {
+						"type": "mrkdwn",
+						"text": "*Version*: ${{ env.version }}"
+					}
+				},
+				{
+					"type": "actions",
+					"elements": [
+						{
+							"type": "button",
+							"text": {
+								"type": "plain_text",
+								"text": "View Release",
+								"emoji": true
+							},
+							"value": "click_me_123",
+							"url": "${{ env.RELEASE_URL }}",
+							"action_id": "button-action"
+						}
+					]
+				},
+				{
+					"type": "divider"
+				},
+				{
+					"type": "context",
+					"elements": [
+						{
+							"type": "image",
+							"image_url": "https://www.editorialoffice.co.uk/wp-content/uploads/2021/05/Red-Icon-Squares-new-white-person-tick.jpg",
+							"alt_text": "author"
+						},
+						{
+							"type": "mrkdwn",
+							"text": "*Author:* ${{ env.AUTHOR }}"
+						}
+					]
+				},
+				{
+					"type": "context",
+					"elements": [
+						{
+							"type": "image",
+							"image_url": "https://technicaeditorial.com/wordpress/wp-content/uploads/2021/04/peer-review-1.png",
+							"alt_text": "reviewers"
+						},
+						{
+							"type": "mrkdwn",
+							"text": "*Reviewers:* ${{ env.REVIEWERS}}"
+						}
+					]
+				}
+			]
+		}
+	]
+}

.github/workflows/create-release.yml

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+name: Create Release on PR
+
+on:
+  pull_request:
+    types:
+      - closed
+
+env:
+  REGISTRY: docker.io
+  IMAGE_NAME: samacommunity/sama-push-queue-board
+
+jobs:
+  create-release:
+    if: |
+      contains(github.event.pull_request.title, 'release') == true &&
+      github.event.pull_request.merged == true &&
+      github.event.pull_request.base.ref == 'main'
+    runs-on: self-hosted
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Extract Version
+        id: extract-version
+        run: |
+          # Use grep to find the first occurrence of the version number matching "## 0.0.0" pattern
+          version=$(grep -m 1 -oP '## \d+\.\d+\.\d+' CHANGELOG.md | cut -d ' ' -f 2)
+          echo "version=$version" >> $GITHUB_ENV
+
+      - name: Extract Changelog
+        id: extract-changelog
+        run: |
+          # Extract the content between the last two version headers
+          changelog=$(awk '/^## [0-9]+\.[0-9]+\.[0-9]+/{if (!version) {version=$0; next}} /^## [0-9]+\.[0-9]+\.[0-9]+/{exit} {if (version) description = description ORS $0} END {if (version) print description}' CHANGELOG.md | sed -e '/^## [0-9]+\.[0-9]+\.[0-9]+/d; s/^# //' > changelog.txt)
+          echo "changelog_file=changelog.txt" >> $GITHUB_ENV
+          
+      - name: Create Release
+        id: create-release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ env.version }}
+          release_name: ${{ env.version }}
+          body_path: ${{ env.changelog_file }}
+          draft: false
+          prerelease: false
+
+      - name: Post to a Slack channel
+        if: success()
+        id: slack
+        uses: slackapi/[email protected]
+        env:
+          SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
+          REPOSITORY_NAME: ${{ github.repository }}
+          AUTHOR: ${{ github.event.pull_request.user.login }}
+          REVIEWERS: ${{ join(github.event.pull_request.requested_reviewers.*.login, ', ') }}
+          RELEASE_URL: ${{ github.server_url }}/${{ github.repository }}/releases/tag/${{ env.version }}
+        with:
+          # You can pass in multiple channels to post to by providing a comma-delimited list of channel IDs.
+          channel-id: 'git-releases'
+          payload-file-path: "./.github/slack/payload-slack-content.json"
+
+  push_to_registry:
+    if: |
+      contains(github.event.pull_request.title, 'release') == true &&
+      github.event.pull_request.merged == true &&
+      github.event.pull_request.base.ref == 'main'
+    needs: [create-release]
+
+    runs-on: self-hosted
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        with:
+            username: ${{ secrets.DOCKER_USERNAME }}
+            password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Extract Version
+        id: extract-version
+        run: |
+            # Use grep to find the first occurrence of the version number matching "## 0.0.0" pattern
+            version=$(grep -m 1 -oP '## \d+\.\d+\.\d+' CHANGELOG.md | cut -d ' ' -f 2)
+            echo "version=$version" >> $GITHUB_ENV
+
+      - name: Set tag based on version
+        id: set_tag
+        run: |
+          echo "IMAGE_TAG=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.version }}" >> $GITHUB_ENV
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+            images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v2
+        with:
+              context: "{{defaultContext}}"
+              push: true
+              tags: ${{ env.IMAGE_TAG }}
+              labels: ${{ steps.meta.outputs.labels }}
+              platforms: linux/amd64,linux/arm64

CHANGELOG.md

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+# Changelog
+
+## 0.0.1 (Example)
+
+### Important Notes
+
+- **Important**: Removed something
+- **Important**: Updated something
+- App now requires something
+
+### Maintenance
+
+- Removed a redundant feature
+- Added a new functionality
+- Improved overall performance
+  - Enhanced user interface responsiveness
+
+### Docker
+
+- Added `Dockerfile`
+
+### Features
+
+- :tada: Implemented a new feature
+  - This feature allows users to...
+- Added a user profile customization option
+
+### Bug Fixes
+
+- Fixed a critical issue that caused...