diff --git a/start.sh b/start.sh
index bd1a818..203344a 100755
--- a/start.sh
+++ b/start.sh
@@ -518,6 +518,12 @@ detect_server_capacity() {
 }
 
 write_env_file() {
+    if [ -f "$SCRIPT_DIR/.env" ]; then
+        set -o allexport
+        source "$SCRIPT_DIR/.env"
+        set +o allexport
+    fi
+
     cat > "$ENV_FILE" <<EOF
 NUITKA_BUILD=$NUITKA_BUILD_VALUE
 INVENTAR_HTTP_PORT=$HTTP_PORT_VALUE
@@ -530,6 +536,17 @@ INVENTAR_WORKERS=$INVENTAR_WORKERS
 INVENTAR_THREADS=$INVENTAR_THREADS
 INVENTAR_WORKER_TIMEOUT=${INVENTAR_WORKER_TIMEOUT:-30}
 INVENTAR_WORKER_CONNECTIONS=${INVENTAR_WORKER_CONNECTIONS:-100}
+
+# Secrets & E-Mail Konfiguration weiterreichen
+INVENTAR_SECRET_KEY=${INVENTAR_SECRET_KEY:-}
+INVENTAR_DATA_ENCRYPTION_KEY=${INVENTAR_DATA_ENCRYPTION_KEY:-}
+INVENTAR_MONGODB_PASSWORD=${INVENTAR_MONGODB_PASSWORD:-}
+EMAIL_ENABLED=${EMAIL_ENABLED:-true}
+EMAIL_SMTP_HOST=${EMAIL_SMTP_HOST:-}
+EMAIL_SMTP_PORT=${EMAIL_SMTP_PORT:-587}
+EMAIL_USERNAME=${EMAIL_USERNAME:-}
+EMAIL_PASSWORD=${EMAIL_PASSWORD:-}
+EMAIL_FROM_ADDRESS=${EMAIL_FROM_ADDRESS:-}
 EOF
 }
 
@@ -569,6 +586,10 @@ verify_stack_health() {
     if [ -f "$RUNTIME_COMPOSE_OVERRIDE_FILE" ]; then
         compose_args+=(-f "$RUNTIME_COMPOSE_OVERRIDE_FILE")
     fi
+    
+    if [ -f "$SCRIPT_DIR/.env" ]; then
+        compose_args+=(--env-file "$SCRIPT_DIR/.env")
+    fi
     compose_args+=(--env-file "$ENV_FILE")
 
     while [[ $retry_count -lt 2 ]]; do