I tried to build golang packege, then I got error. It looks musl-cross couldn't find oracle client library. So that I moved musl-cross libraries to ORACLE_HOME directory but this problem didn't solve.
$ GOOS=linux GOARCH=amd64 CGO_ENABLED=1 CC=/usr/local/bin/x86_64-linux-musl-cc go build -v main.go
.....
.....
mime/multipart
crypto/tls
github.com/denisenkom/go-mssqldb
net/http/httptrace
net/http
github.com/jinzhu/gorm/dialects/mssql
# github.com/mattn/go-oci8
/usr/local/Cellar/musl-cross/0.9.7_1/libexec/bin/../lib/gcc/x86_64-linux-musl/6.3.0/../../../../x86_64-linux-musl/bin/ld: cannot find -lclntsh
collect2: error: ld returned 1 exit status