Add Docker build workflow and update push workflow

Introduces a new build-docker.yml GitHub Actions workflow for building and pushing Docker images. Updates the _on-push.yml workflow to include the Docker build job and renames job names for consistency.

.github/workflows/_on-push.yml

@@ -1,4 +1,4 @@
-name: Push Full Build
+name: Push Compile
 permissions:
   contents: read
 on:
@@ -16,29 +16,35 @@ concurrency:
 
 jobs:
   build-linux:
-    name: Compile
+    name: Chain
     uses: ./.github/workflows/build-linux.yml
     with:
       chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
 
   build-windows:
-    name: Compile
+    name: Chain
     uses: ./.github/workflows/build-windows.yml
     with:
       chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
 
   build-macos-arm64:
-    name: Compile
+    name: Chain
     uses: ./.github/workflows/build-macos-arm64.yml
     with:
       chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
 
   build-macos-intel:
-    name: Compile
+    name: Chain
     uses: ./.github/workflows/build-macos-intel.yml
     with:
       chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
 
+  build-docker:
+    name: Docker
+    uses: ./.github/workflows/build-docker.yml
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
   build-docs:
     name: Docs
     uses: ./.github/workflows/build-docs.yml

.github/workflows/build-docker.yml

@@ -0,0 +1,41 @@
+name: Docker
+permissions:
+  contents: read
+on:
+  workflow_call:
+    inputs:
+      chain-network:
+        description: "The network to use, can either be testnet, stagenet or mainnet"
+        default: testnet
+        required: false
+        type: string
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout Project
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v5
+        with:
+          file: utils/docker/images/chain-node
+          context: .
+          push: true
+          tags: lthn/chain:${{ inputs.chain-network == 'testnet' && 'testnet' || 'latest' }}
+