Merge pull request 'Jenkinsfile' (#94) from master into release

Reviewed-on: https://git.shs.tools/SHS/shstk/pulls/94

Jenkinsfile

@@ -12,7 +12,7 @@ def build_docker(name, release_dir) {
 	def args = "${pref} --build-arg LIBS_BUILD_NUMBER=${env.BUILD_NUMBER} --build-arg JOBS_COUNT=${jobs}"
 	dir ("docker/${image_name}") {
 		sh "docker build ${args} --no-cache -t ${image_name} ."
-		docker.image(image_name).inside('-v ${release_dir}:/soft/release') {
+		docker.image(image_name).inside(`-v ${release_dir}:/soft/release`) {
 			sh 'cp -vf /soft/shstk/release/* /soft/release/'
 		}
 	}