chore: Docker Build fixes (#1502)

Pass correct context to docker build for multiarch and dev build targets.

* fixed missing file errors; bumped boundary version
* downgraded alpine due to build issues
* fixing makefile
* bumping boundary and alpine versions
* fixed docker directory in makefile and dockerfile
* updating dev.dockerfile & makefile

docker/Dev.dockerfile

@@ -6,7 +6,7 @@ RUN addgroup boundary && \
 ADD bin/boundary /bin/boundary
 
 RUN mkdir /boundary/
-ADD docker/config.hcl /boundary/config.hcl
+ADD ./config.hcl /boundary/config.hcl
 RUN chown -R boundary:boundary /boundary/ 
 
 EXPOSE 9200 9201 9202