feat: Update project structure and configuration files

backend/Dockerfile

@@ -0,0 +1,17 @@
+FROM docker.hub.ipao.vip/alpine:3.20
+
+# Set timezone
+RUN apk add --no-cache tzdata && \
+    cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
+    echo "Asia/Shanghai" > /etc/timezone && \
+    apk del tzdata
+
+COPY backend/build/app /app/app
+COPY backend/config.toml /app/config.toml
+COPY frontend/dist /app/dist
+
+WORKDIR /app
+
+ENTRYPOINT  ["/app/app"]
+
+CMD [ "serve" ]