Copy over json file to current working directory

Author: ammaraskar

Dockerfile

@@ -1,5 +1,6 @@
 FROM alpine:latest
 
-ADD sphinx_matcher.json .
+ADD sphinx_matcher.json /
 
-ENTRYPOINT ["/bin/echo", "::add-matcher::sphinx_matcher.json"]
+ENTRYPOINT ["/bin/sh", "-c", \
+    "cp /sphinx_matcher.json . && echo '::add-matcher::sphinx_matcher.json'"]