diff --git a/src/main/kotlin/center/sciprog/Application.kt b/src/main/kotlin/center/sciprog/Application.kt
index 6ed5280..0cf8574 100644
--- a/src/main/kotlin/center/sciprog/Application.kt
+++ b/src/main/kotlin/center/sciprog/Application.kt
@@ -3,7 +3,6 @@ package center.sciprog
 import io.ktor.server.application.Application
 import io.ktor.server.application.call
 import io.ktor.server.application.install
-import io.ktor.server.application.log
 import io.ktor.server.config.tryGetString
 import io.ktor.server.plugins.forwardedheaders.ForwardedHeaders
 import io.ktor.server.plugins.forwardedheaders.XForwardedHeaders
@@ -12,53 +11,67 @@ import io.ktor.server.routing.get
 import io.ktor.server.routing.routing
 import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.context.request
-import space.kscience.dataforge.data.DataTree
-import space.kscience.dataforge.workspace.readDataDirectory
-import space.kscience.snark.html.*
-import space.kscience.snark.ktor.prepareSnarkDataCacheDirectory
+import space.kscience.dataforge.data.DataSourceBuilder
+import space.kscience.dataforge.io.IOPlugin
+import space.kscience.dataforge.misc.DFExperimental
+import space.kscience.dataforge.names.Name
+import space.kscience.dataforge.workspace.monitorRawDirectory
+import space.kscience.dataforge.workspace.readResources
+import space.kscience.snark.html.SnarkHtml
+import space.kscience.snark.html.fill
+import space.kscience.snark.html.readSiteData
 import space.kscience.snark.ktor.site
-import java.nio.file.FileSystems
-import java.nio.file.Files
 import java.nio.file.Path
-import kotlin.io.path.createDirectories
-import kotlin.io.path.isRegularFile
-import kotlin.io.path.relativeTo
-import kotlin.io.path.toPath
 
 
-private fun Application.copyResource(resource: String, dataDirectory: Path) {
-    val uri = javaClass.getResource("/$resource")?.toURI()
-        ?: error("Resource $resource not found")
-    val targetPath = dataDirectory.resolve(resource)
+//private fun Application.copyResource(resource: String, dataDirectory: Path) {
+//    val uri = javaClass.getResource("/$resource")?.toURI()
+//        ?: error("Resource $resource not found")
+//    val targetPath = dataDirectory.resolve(resource)
+//
+//    if (Files.isDirectory(targetPath)) {
+//        log.info("Using existing data directory at $targetPath.")
+//    } else {
+//        log.info("Copying data from $uri into $targetPath.")
+//        targetPath.createDirectories()
+//        //Copy everything into a temporary directory
+//
+//        fun copyFromPath(rootPath: Path) {
+//            Files.walk(rootPath).forEach { source: Path ->
+//                if (source.isRegularFile()) {
+//                    val relative = source.relativeTo(rootPath).toString()
+//                    val destination: Path = targetPath.resolve(relative)
+//                    destination.parent.createDirectories()
+//                    Files.copy(source, destination)
+//                }
+//            }
+//        }
+//
+//        if ("jar" == uri.scheme) {
+//            FileSystems.newFileSystem(uri, emptyMap<String, Any>()).use { fs ->
+//                val rootPath: Path = fs.provider().getPath(uri)
+//                copyFromPath(rootPath)
+//            }
+//        } else {
+//            val rootPath = uri.toPath()
+//            copyFromPath(rootPath)
+//        }
+//    }
+//}
 
-    if (Files.isDirectory(targetPath)) {
-        log.info("Using existing data directory at $targetPath.")
-    } else {
-        log.info("Copying data from $uri into $targetPath.")
-        targetPath.createDirectories()
-        //Copy everything into a temporary directory
+context(IOPlugin)
+@OptIn(DFExperimental::class)
+fun DataSourceBuilder<Any>.directory(path: Path, name: Name = Name.EMPTY) {
+    node(name, monitorRawDirectory(path))
+}
 
-        fun copyFromPath(rootPath: Path) {
-            Files.walk(rootPath).forEach { source: Path ->
-                if (source.isRegularFile()) {
-                    val relative = source.relativeTo(rootPath).toString()
-                    val destination: Path = targetPath.resolve(relative)
-                    destination.parent.createDirectories()
-                    Files.copy(source, destination)
-                }
-            }
-        }
-
-        if ("jar" == uri.scheme) {
-            FileSystems.newFileSystem(uri, emptyMap<String, Any>()).use { fs ->
-                val rootPath: Path = fs.provider().getPath(uri)
-                copyFromPath(rootPath)
-            }
-        } else {
-            val rootPath = uri.toPath()
-            copyFromPath(rootPath)
-        }
-    }
+context(IOPlugin)
+@OptIn(DFExperimental::class)
+fun DataSourceBuilder<Any>.resource(
+    resource: String,
+    classLoader: ClassLoader = Thread.currentThread().contextClassLoader,
+) {
+    fill(readResources(resource, classLoader = classLoader))
 }
 
 
@@ -78,14 +91,13 @@ fun Application.spcModule() {
         environment.config.tryGetString("ktor.environment.dataDirectory") ?: "data"
     )
 
-    if (!prepareSnarkDataCacheDirectory(dataDirectory)) {
-        copyResource("common", dataDirectory)
-        copyResource("home", dataDirectory)
-        copyResource("magprog", dataDirectory)
+    val siteData = snark.readSiteData(context) {
+        resource("common")
+        resource("home")
+        resource("magprog")
+        //directory(dataDirectory)
     }
 
-    val siteData: DataTree<Any> = snark.io.readDataDirectory(dataDirectory)
-
     routing {
         get("magprog") {
             call.respondRedirect("education/masters")
diff --git a/src/main/kotlin/center/sciprog/staticRender.kt b/src/main/kotlin/center/sciprog/staticRender.kt
index 88ad595..d095c95 100644
--- a/src/main/kotlin/center/sciprog/staticRender.kt
+++ b/src/main/kotlin/center/sciprog/staticRender.kt
@@ -3,19 +3,25 @@ package center.sciprog
 import kotlinx.coroutines.coroutineScope
 import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.context.request
-import space.kscience.snark.html.*
+import space.kscience.snark.html.SnarkHtml
+import space.kscience.snark.html.readSiteData
 import space.kscience.snark.html.static.staticSite
 import java.nio.file.Path
 
-suspend fun main(args: Array<String>)  = coroutineScope{
-    val context = Context{
+suspend fun main(args: Array<String>) = coroutineScope {
+    val context = Context {
         plugin(SnarkHtml)
     }
 
     val destinationPath = args.firstOrNull() ?: "build/public"
 
     val snark = context.request(SnarkHtml)
-    val siteData = snark.readResources("common", "home", "magprog")
+    val siteData = snark.readSiteData(context) {
+        resource("common")
+        resource("home")
+        resource("magprog")
+
+    }
 
     snark.staticSite(siteData, Path.of(destinationPath), content = spcSite)
 }
\ No newline at end of file