commit 982e814a0f3c440191b82e49c1783bb66eb010de
Author: Tien Ngo <sitienbmt@gmail.com>
Date:   Mon Dec 29 15:53:40 2025 +0700

    feat: add GitHub Action for deployment notifications via ntfy and Gmail SMTP

diff --git a/action.yml b/action.yml
new file mode 100644
index 0000000..2c48338
--- /dev/null
+++ b/action.yml
@@ -0,0 +1,52 @@
+name: "Deploy Notification"
+description: "Notify deployment result via ntfy and Gmail SMTP"
+
+inputs:
+  status:
+    description: "Deployment status (success | failure)"
+    required: true
+
+  title:
+    description: "Notification title"
+    required: true
+
+  message:
+    description: "Notification message"
+    required: true
+
+  ntfy_url:
+    description: "ntfy server URL (e.g. https://ntfy.example.com)"
+    default: "https://ntfy.hcmc.online"
+    required: false
+
+  ntfy_topic:
+    description: "ntfy topic"
+    default: "deploy"
+    required: false
+
+  gmail_user:
+    description: "Gmail address"
+    default: "sitienbmt@gmail.com"
+    required: false
+
+  gmail_to:
+    description: "Recipient email"
+    default: "sitienbmt@gmail.com"
+    required: false
+
+runs:
+  using: "composite"
+  steps:
+    - name: Send notification
+      shell: bash
+      env:
+        STATUS: ${{ inputs.status }}
+        TITLE: ${{ inputs.title }}
+        MESSAGE: ${{ inputs.message }}
+        NTFY_URL: ${{ inputs.ntfy_url }}
+        NTFY_TOPIC: ${{ inputs.ntfy_topic }}
+        GMAIL_USER: ${{ inputs.gmail_user }}
+        GMAIL_TO: ${{ inputs.gmail_to }}
+        GMAIL_PASS: ${{ secrets.GMAIL_APP_PASSWORD }}
+      run: |
+        bash ${{ github.action_path }}/notify.sh
diff --git a/notify.sh b/notify.sh
new file mode 100644
index 0000000..9f31f3a
--- /dev/null
+++ b/notify.sh
@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+set -e
+
+ICON="🚀"
+if [ "$STATUS" = "failure" ]; then
+  ICON="❌"
+fi
+
+# ---- ntfy ----
+if [ -n "$NTFY_URL" ] && [ -n "$NTFY_TOPIC" ]; then
+  curl -s -X POST "$NTFY_URL/$NTFY_TOPIC" \
+    -H "Title: $ICON $TITLE" \
+    -H "Priority: 4" \
+    -d "$MESSAGE"
+fi
+
+# ---- Gmail SMTP ----
+if [ -n "$GMAIL_USER" ] && [ -n "$GMAIL_TO" ]; then
+  {
+    echo "Subject: $ICON $TITLE"
+    echo "From: $GMAIL_USER"
+    echo "To: $GMAIL_TO"
+    echo ""
+    echo "$MESSAGE"
+  } | sendmail -S smtp.gmail.com:587 \
+      -au"$GMAIL_USER" \
+      -ap"$GMAIL_PASS" \
+      "$GMAIL_TO"
+fi
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