refactor: init v3

Dockerfile

@@ -1,14 +0,0 @@
-FROM alpine:edge as builder
-LABEL stage=go-builder
-WORKDIR /app/
-COPY ./ ./
-RUN apk add --no-cache bash git go gcc musl-dev; \
-    bash build.sh docker
-
-FROM alpine:edge
-LABEL MAINTAINER="i@nn.ci"
-VOLUME /opt/alist/data/
-WORKDIR /opt/alist/
-COPY --from=builder /app/bin/alist ./
-EXPOSE 5244
-CMD [ "./alist", "-docker" ]