chore: better workflow

Dockerfile

@@ -1,4 +1,6 @@
 FROM alpine:latest as builder
+ARG TARGETPLATFORM
+RUN echo "I'm building for $TARGETPLATFORM"
 
 RUN apk add --no-cache gzip && \
     mkdir /clash-config && \
@@ -10,7 +12,7 @@ COPY docker/file-name.sh /clash/file-name.sh
 WORKDIR /clash
 COPY bin/ bin/
 RUN FILE_NAME=`sh file-name.sh` && echo $FILE_NAME && \
-    FILE_NAME=`ls bin/ | egrep "$FILE_NAME.*"|awk NR==1` && \
+    FILE_NAME=`ls bin/ | egrep "$FILE_NAME.*"|awk NR==1` && echo $FILE_NAME && \
     mv bin/$FILE_NAME clash.gz && gzip -d clash.gz && echo "$FILE_NAME" > /clash-config/test
 FROM alpine:latest
 LABEL org.opencontainers.image.source="https://github.com/MetaCubeX/Clash.Meta"