Update Dockerfile

Dockerfile

@@ -1,4 +1,10 @@
 FROM openlistteam/openlist:latest
 USER root
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    curl \
+RUN apk update && apk add --no-cache \
+    curl \
+    wget \
+    net-tools
+
+VOLUME ["/app/data"]
+EXPOSE 5244
+ENV OPENLIT_DATA_DIR=/app/data