fix(docker): resolve SQLite error 14 bind-mount volume permission issue

Dockerfile

@@ -30,8 +30,8 @@ RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -ldflags="-s -w
 # ==============================================================================
 FROM alpine:3.21
 RUN apk add --no-cache ca-certificates tzdata && \
-    mkdir -p /data && \
-    chown -R 1000:1000 /data
+    mkdir -p /data /tmp && \
+    chmod 1777 /tmp
 
 WORKDIR /app
 COPY --from=backend-builder /app/mindsift /app/mindsift
@@ -41,5 +41,4 @@ ENV DATA_DIR=/data
 VOLUME ["/data"]
 
 EXPOSE 8080
-USER 1000:1000
 ENTRYPOINT ["/app/mindsift"]