migrate to docker tree

Jenkinsfile

@@ -1,11 +1,33 @@
-node {
-	checkout scm
-	def img
-	def def_args = "--no-cache --build-arg LIBS_BUILD_NUMBER=${env.BUILD_NUMBER} --build-arg JOBS_COUNT=4"
-	if (env.DOCKER_PREFIX) {
-		img = docker.build("libs", "${def_args} --build-arg DOCKER_PREFIX=${env.DOCKER_PREFIX} .")
-		sh "docker tag libs ${env.DOCKER_PREFIX}/libs"
-	} else {
-		img = docker.build("libs", "${def_args} .")
+def build_docker(name) {
+    def image = "${name}-libs"
+    echo "Build image ${image}"
+	def pref = ""
+    if (env.DOCKER_PREFIX) {
+        pref = "${env.DOCKER_PREFIX}/"
 	}
-}
+	def args = "--build-arg DOCKER_PREFIX=${pref} --build-arg LIBS_BUILD_NUMBER=${env.BUILD_NUMBER} --build-arg JOBS_COUNT=4"
+	dir ("docker/${image}") {
+	    //echo "build ${image} ${args}"
+	    sh "docker build ${args} --no-cache -t ${image} ."
+    }
+}
+node {
+    checkout scm
+    def _envmap = [:]
+    def _env = sh(script: "env", returnStdout: true).trim().split("\n")
+    _env.each{ l -> 
+        def _ind = l.indexOf('=');
+        def _n = l.substring(0, _ind);
+        def _v = l.substring(_ind + 1);
+        _envmap["${_n}"] = "${_v}";
+    }
+    //println "done!"
+    //println "${_envmap}"
+    def platforms = ['debian', 'osx', 'windows', 'android', 'pi']
+	for (int i = 0; i < platforms.size(); ++i) {
+	    //echo "check BUILD_${platforms[i]} -> ${_v}"
+	    if (_envmap["BUILD_${platforms[i]}"] == "1") {
+	        build_docker("${platforms[i]}")
+	    }
+	}
+}