feat(ci, email): configurable SMTP SSL and Docker image build/push workflow

.github/workflows/docker-image.yml

@@ -0,0 +1,80 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches:
+      - 'develop'
+      - 'main'
+      - 'master'
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+    branches:
+      - 'develop'
+      - 'main'
+      - 'master'
+  workflow_dispatch:
+    inputs:
+      push_image:
+        description: 'Push the built image to DockerHub'
+        required: false
+        default: false
+        type: boolean
+      custom_tag:
+        description: "Optional extra tag (e.g. 'test-xyz'). Branch name is always tagged."
+        required: false
+        type: string
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    # Skip draft PRs
+    if: github.event.pull_request.draft == false || github.event_name == 'push'
+
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      - name: Check if Dockerfile exists
+        id: check_dockerfile
+        run: |
+          if [ -f "src/sn-auth/Dockerfile" ]; then
+            echo "dockerfile_exists=true" >> $GITHUB_OUTPUT
+          else
+            echo "dockerfile_exists=false" >> $GITHUB_OUTPUT
+            echo "⚠️ No Dockerfile found, skipping Docker build"
+          fi
+
+      - name: Set up Docker metadata
+        if: steps.check_dockerfile.outputs.dockerfile_exists == 'true'
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: sensenetcsp/sn-auth
+          tags: |
+            # Clean branch name (e.g., feature-conditional-recaptcha)
+            type=ref,event=branch
+            # 'latest' tag only when pushing to main or master (regardless of default branch)
+            type=raw,value=latest,enable=${{ github.event_name == 'push' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master') }}
+            # 'preview' tag only when pushing to develop
+            type=raw,value=preview,enable=${{ github.event_name == 'push' && github.ref == 'refs/heads/develop' }}
+            # PR number for pull requests
+            type=ref,event=pr
+            # Optional custom tag from manual workflow_dispatch
+            type=raw,value=${{ inputs.custom_tag }},enable=${{ github.event_name == 'workflow_dispatch' && inputs.custom_tag != '' }}
+
+      - name: Login to DockerHub
+        if: steps.check_dockerfile.outputs.dockerfile_exists == 'true' && (github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && inputs.push_image))
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        if: steps.check_dockerfile.outputs.dockerfile_exists == 'true'
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./src/sn-auth/Dockerfile
+          push: ${{ github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && inputs.push_image) }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

src/sn-auth/Models/Options/EmailSettings.cs

@@ -8,4 +8,5 @@ public class EmailSettings
     public string Password { get; set; } = string.Empty;
     public string FromEmail { get; set; } = string.Empty;
     public string FromName { get; set; } = string.Empty;
+    public bool EnableSsl { get; set; } = true;
 }

src/sn-auth/Services/EmailService.cs

@@ -37,7 +37,7 @@ public void SendEmail(string toEmail, string subject, string emailBody)
         using var client = new SmtpClient(_emailSettings.Server, _emailSettings.Port);
         if (!string.IsNullOrEmpty(_emailSettings.Username) && !string.IsNullOrEmpty(_emailSettings.Password))
             client.Credentials = new NetworkCredential(_emailSettings.Username, _emailSettings.Password);
-        client.EnableSsl = true;
+        client.EnableSsl = _emailSettings.EnableSsl;
 
         var mailMessage = new MailMessage
         {

src/sn-auth/appsettings.json

@@ -27,7 +27,8 @@
     "Server": "",
     "Port": 0,
     "FromEmail": "",
-    "FromName": ""
+    "FromName": "",
+    "EnableSsl": true
   },
   "Registration": {
     "IsEnabled": false,