diff --git a/signoz/domain-signoz.sh b/signoz/domain-signoz.sh
index 747ddf7..453d19f 100644
--- a/signoz/domain-signoz.sh
+++ b/signoz/domain-signoz.sh
@@ -13,6 +13,7 @@ if [ -z "$DOMAIN" ]; then
 fi
 
 URL="https://${DOMAIN}"
+INTERNAL_URL="https://internal-${DOMAIN}"
 COMPOSE_FILE="${APP_DIR}/signoz/deploy/docker/docker-compose.yaml"
 
 set_env() {
@@ -32,6 +33,7 @@ set_env() {
 
 set_env "SIGNOZ_GLOBAL_EXTERNAL_URL" "${URL}" ".services.signoz.environment"
 set_env "SIGNOZ_GLOBAL_INGESTION_URL" "${URL}" ".services.signoz.environment"
+set_env "SIGNOZ_ALERTMANAGER_SIGNOZ_EXTERNAL_URL" "${URL}" ".services.signoz.environment"
 
 cat > /etc/caddy/Caddyfile << EOF
 ${URL} {
@@ -45,6 +47,17 @@ ${URL}:4317 {
 ${URL}:4318 {
         reverse_proxy localhost:44318
 }
+${INTERNAL_URL} {
+        reverse_proxy localhost:8080
+}
+
+${INTERNAL_URL}:4317 {
+        reverse_proxy h2c://localhost:44317
+}
+
+${INTERNAL_URL}:4318 {
+        reverse_proxy localhost:44318
+}
 EOF
 
 echo "Caddyfile updated"
diff --git a/signoz/install-signoz.sh b/signoz/install-signoz.sh
index ea6928f..fd466e2 100644
--- a/signoz/install-signoz.sh
+++ b/signoz/install-signoz.sh
@@ -3,27 +3,40 @@
 APP_NAME="signoz"
 APP_DIR="/var/excloud/apps"
 SCRIPT_DIR="/var/excloud/scripts"
+POSTGRES_DSN="postgres://postgres:your_password@localhost:5432/signoz?sslmode=disable"
+mkdir -p "${APP_DIR}"
+mkdir -p "${SCRIPT_DIR}"
+
 DOMAIN="${1}"
+
 if [ -z "$DOMAIN" ]; then
   echo "Error: URL argument is required. Example:" >&2
-  echo "domain-change.sh sub.example.com" >&2
+  echo "install-signoz.sh sub.example.com" >&2
   exit 1
 fi
+
+JWT_SECRET=$(openssl rand -hex 16 | cut -c-32)
+
+if [ -f "${APP_DIR}/jwt-secret" ]; then
+    JWT_SECRET=$(cat ${APP_DIR}/jwt-secret)
+else
+    echo $JWT_SECRET > ${APP_DIR}/jwt-secret
+fi
+
 SIGNOZ_DIR="${APP_DIR}/signoz"
 COMPOSE_FILE="${SIGNOZ_DIR}/deploy/docker/docker-compose.yaml"
 OTEL_SERVICE_PATH='.services["otel-collector"].ports'
 SIGNOZ_SERVICE_PATH=".services.signoz.ports"
 
-mkdir -p "${APP_DIR}"
-mkdir -p "${SCRIPT_DIR}"
-
 apt-get install -y caddy yq
 
-rm -rf ${SIGNOZ_DIR}
-git clone -b main https://github.com/SigNoz/signoz.git ${SIGNOZ_DIR}
-cd ${SIGNOZ_DIR}/deploy/docker
+if git -C ${SIGNOZ_DIR} rev-parse 2>/dev/null; then
+    echo "Git repo exists"
+else
+    git clone -b main https://github.com/SigNoz/signoz.git ${SIGNOZ_DIR}
+fi
 
-bash "${SCRIPT_DIR}/domain-signoz.sh" "${DOMAIN}"
+cd ${SIGNOZ_DIR}/deploy/docker
 
 set_port() {
     local port_pair="$1"
@@ -39,8 +52,27 @@ set_port() {
     fi
 }
 
+set_env() {
+    local key="$1"
+    local value="$2"
+    local service_path="$3"
+    local env_pair="${key}=${value}"
+
+    if yq "${service_path}" "$COMPOSE_FILE" | grep -q "${key}="; then
+        yq -yi "(${service_path}[] | select(type == \"string\" and test(\"^${key}=\"))) = \"${env_pair}\"" "$COMPOSE_FILE"
+        echo "Replaced: ${env_pair}"
+    else
+        yq -yi "${service_path} += [\"${env_pair}\"]" "$COMPOSE_FILE"
+        echo "Added: ${env_pair}"
+    fi
+}
+
 set_port "127.0.0.1:44317:4317" "$OTEL_SERVICE_PATH"
 set_port "127.0.0.1:44318:4318" "$OTEL_SERVICE_PATH"
 set_port "127.0.0.1:8080:8080" "$SIGNOZ_SERVICE_PATH"
+set_env "SIGNOZ_TOKENIZER_JWT_SECRET" "${JWT_SECRET}" ".services.signoz.environment"
+set_env "SIGNOZ_SQLSTORE_PROVIDER" "${JWT_SECRET}" ".services.signoz.environment"
+set_env "SIGNOZ_SQLSTORE_POSTGRES_DSN" "${POSTGRES_DSN}" ".services.signoz.environment"
 
-docker compose -f $COMPOSE_FILE up -d --remove-orphans
+
+bash "${SCRIPT_DIR}/domain-signoz.sh" "${DOMAIN}"