diff --git a/build.sh b/build.sh
index 9fda31d..e8c6e49 100644
--- a/build.sh
+++ b/build.sh
@@ -4,7 +4,7 @@ README_URL="https://github.com/oracle-quickstart/db-endpoint-latency-testing-amm
 
 set -e
 
-echo "🔧 [1/4] Creating Python virtual environment (.venv)..."
+echo "🔧 [1/5] Creating Python virtual environment (.venv)..."
 if python3 -m venv .venv; then
     echo "✅ Virtual environment created."
 else
@@ -13,7 +13,7 @@ else
     exit 1
 fi
 
-echo "🔧 [2/4] Activating virtual environment..."
+echo "🔧 [2/5] Activating virtual environment..."
 # shellcheck source=/dev/null
 if source .venv/bin/activate 2>/dev/null; then
     echo "✅ Virtual environment activated."
@@ -23,7 +23,7 @@ else
     exit 1
 fi
 
-echo "🔧 [3/4] Installing requirements from requirements.txt..."
+echo "🔧 [3/5] Installing requirements from requirements.txt..."
 if pip install --upgrade pip > /dev/null 2>&1 && pip install -r requirements.txt; then
     echo "✅ Dependencies installed."
 else
@@ -32,10 +32,37 @@ else
     exit 1
 fi
 
-echo "🚦 [4/4] Launching app with uvicorn (running at http://localhost:8000)..."
-if uvicorn app.main:app --host 0.0.0.0 --port 8000
-then
-    echo "✅ App launched."
+echo "� [4/5] Generating self-signed SSL certificate if not present..."
+SSL_DIR="ssl"
+KEY_FILE="$SSL_DIR/key.pem"
+CERT_FILE="$SSL_DIR/cert.pem"
+
+if ! command -v openssl &> /dev/null; then
+  echo "❌ OpenSSL is required for SSL certificate generation but is not installed."
+  echo "Refer to manual setup: $README_URL"
+  exit 1
+fi
+
+mkdir -p "$SSL_DIR"
+if [[ -f "$KEY_FILE" && -f "$CERT_FILE" ]]; then
+    echo "✅ SSL certificate and key found."
+else
+    echo "Generating self-signed cert/key. Expect prompts for certificate info."
+    openssl req -x509 -nodes -days 825 -newkey rsa:2048 \
+      -keyout "$KEY_FILE" -out "$CERT_FILE" \
+      -subj "/C=US/ST=Self/L=Self/O=Self/CN=localhost"
+    if [[ $? -eq 0 ]]; then
+        echo "✅ SSL certificate generated."
+    else
+        echo "❌ Failed to generate SSL certificate."
+        echo "Refer to manual setup: $README_URL"
+        exit 1
+    fi
+fi
+
+echo "🚦 [5/5] Launching app with uvicorn (https://localhost:8000, self-signed SSL)..."
+if uvicorn app.main:app --host 0.0.0.0 --port 8000 --ssl-keyfile "$KEY_FILE" --ssl-certfile "$CERT_FILE"; then
+    echo "✅ App launched with HTTPS."
 else
     echo "❌ Failed to launch the app. Please check above for errors."
     echo "Refer to manual setup: $README_URL"