diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000000..63773fcd91
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,34 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  tests:
+    name: CI
+
+on:
+  pull_request:
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: '1.21'
+      - name: Run unit tests
+        run: go test ./...
+
+  style:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: '1.21'
+      - name: Check formatting
+        run: test -z $(go fmt ./...)
+
diff --git a/README.md b/README.md
index c2bec0368b..1f7f75acf7 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,4 @@
+[![CI](https://github.com/Saharyasa/learn-cicd-starter/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/Saharyasa/learn-cicd-starter/actions/workflows/ci.yml)
 # learn-cicd-starter (Notely)
 
 This repo contains the starter code for the "Notely" application for the "Learn CICD" course on [Boot.dev](https://boot.dev).
@@ -21,3 +22,4 @@ go build -o notely && ./notely
 *This starts the server in non-database mode.* It will serve a simple webpage at `http://localhost:8080`.
 
 You do *not* need to set up a database or any interactivity on the webpage yet. Instructions for that will come later in the course!
+Sahar Yasa's version of Boot.dev's Notely app
diff --git a/internal/auth/auth_test.go b/internal/auth/auth_test.go
new file mode 100644
index 0000000000..c8ca87d322
--- /dev/null
+++ b/internal/auth/auth_test.go
@@ -0,0 +1,48 @@
+package auth
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestGetAPIKey(t *testing.T) {
+	tests := []struct {
+		name    string
+		header  string
+		want    string
+		wantErr bool
+	}{
+		{name: "no header", header: "", wantErr: true},
+		{name: "wrong scheme", header: "Bearer abc123", wantErr: true},
+		// Function currently returns "" and NO error for an empty ApiKey value
+		{name: "empty key", header: "ApiKey ", want: "", wantErr: false},
+		{name: "valid", header: "ApiKey abc123", want: "abc123", wantErr: false},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			req := httptest.NewRequest(http.MethodGet, "/", nil)
+			if tc.header != "" {
+				req.Header.Set("Authorization", tc.header)
+			}
+
+			// GetAPIKey takes http.Header
+			got, err := GetAPIKey(req.Header)
+
+			if tc.wantErr {
+				if err == nil {
+					t.Fatalf("expected an error, got key=%q", got)
+				}
+				return
+			}
+
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if got != tc.want {
+				t.Fatalf("want %q, got %q", tc.want, got)
+			}
+		})
+	}
+}
diff --git a/trigger.txt b/trigger.txt
new file mode 100644
index 0000000000..b022dc85f9
--- /dev/null
+++ b/trigger.txt
@@ -0,0 +1 @@
+# trigger ci