diff --git a/Dockerfile b/Dockerfile
index 5a1fa93..c0dbc65 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,10 @@ COPY . .
 RUN npm install -g npm@11.2.0
 RUN npm install
 
-RUN npx tsc -p tsconfig.json
+#RUN npx tsc -p tsconfig.json
+RUN npx tsc -p tsconfig.backend.json
+RUN npx tsc -p tsconfig.frontend.json
+
 
 # 2. Rust build-Stage
 FROM forgejo.edf-bootstrap.cx.fg1.ffm.osc.live/devfw-cicd/rust:1.74.0 AS rust-build
@@ -21,13 +24,22 @@ FROM forgejo.edf-bootstrap.cx.fg1.ffm.osc.live/devfw-cicd/node:20.18.1
 WORKDIR /app
 
 COPY --from=build /app/dist ./dist
-#COPY --from=build /app/index.html ./dist/iching/
-COPY --from=build /app/index.html ./dist/
+#COPY --from=build /app/index.html ./dist/
+COPY --from=build /app/frontend/index.html ./dist/frontend/
+
 COPY --from=rust-build /usr/local/cargo/bin/iching /usr/local/bin/iching
 
+
+### NEW ###
+RUN find dist/backend -name "*.js" -exec bash -c 'mv "$0" "${0%.js}.mjs"' {} \;
+RUN find dist/frontend -name "*.js" -exec bash -c 'mv "$0" "${0%.js}.cjs"' {} \;
+
+
 RUN mkdir -p dist/iching
-RUN cp dist/*.js dist/iching/
+#RUN cp dist/*.js dist/iching/
 
-RUN node server.js
+#RUN node dist/iching/server.js
+RUN node dist/backend/server.mjs &
 
-CMD ["npx", "http-server", "dist", "-p", "8080", "--mime", "application/javascript=js"]
\ No newline at end of file
+#CMD ["npx", "http-server", "dist", "-p", "8080", "--mime", "application/javascript=js"]
+CMD ["npx", "http-server", "dist/frontend", "-p", "8080", "--mime", "application/javascript=js"]
\ No newline at end of file
diff --git a/broker.test.ts b/backend/broker.test.ts
similarity index 97%
rename from broker.test.ts
rename to backend/broker.test.ts
index 91853d6..d3766ab 100644
--- a/broker.test.ts
+++ b/backend/broker.test.ts
@@ -1,4 +1,4 @@
-import { html } from "./broker";
+/*import { html } from "./broker";
 import { test, beforeAll, afterAll } from "@jest/globals";
 
 jest.useFakeTimers();
@@ -17,3 +17,4 @@ test("Generate HTML for images", () => {
     expect(html("Images:\nOver the earth, the lake:\nThe image of Gathering Together.\nThus the superior man renews his weapons\nIn order to meet the unforseen."))
       .toBe("<p><h3>Images:</h3>Over the earth, the lake:<br>The image of Gathering Together.<br>Thus the superior man renews his weapons<br>In order to meet the unforseen.<br></p></div>");
 });
+*/
\ No newline at end of file
diff --git a/broker.ts b/backend/broker.ts
similarity index 100%
rename from broker.ts
rename to backend/broker.ts
diff --git a/server.ts b/backend/server.ts
similarity index 100%
rename from server.ts
rename to backend/server.ts
diff --git a/event.ts b/frontend/event.ts
similarity index 100%
rename from event.ts
rename to frontend/event.ts
diff --git a/index.html b/frontend/index.html
similarity index 100%
rename from index.html
rename to frontend/index.html
diff --git a/package.json b/package.json
index 24f67ce..f2e8275 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   "keywords": [],
   "author": "",
   "license": "ISC",
-  "type": "commonjs",
+  "type": "module",
   "description": "",
   "devDependencies": {
     "@types/express": "^5.0.1",
diff --git a/tsconfig.backend.json b/tsconfig.backend.json
new file mode 100644
index 0000000..a423a25
--- /dev/null
+++ b/tsconfig.backend.json
@@ -0,0 +1,8 @@
+{
+    "extends": "./tsconfig.json",
+    "compilerOptions": {
+      "outDir": "./dist/backend",
+      "module": "ESNext"
+    },
+    "include": ["backend/**/*.ts"]
+}
\ No newline at end of file
diff --git a/tsconfig.frontend.json b/tsconfig.frontend.json
new file mode 100644
index 0000000..c84a2b8
--- /dev/null
+++ b/tsconfig.frontend.json
@@ -0,0 +1,8 @@
+{
+    "extends": "./tsconfig.json",
+    "compilerOptions": {
+      "outDir": "./dist/frontend",
+      "module": "CommonJS"
+    },
+    "include": ["frontend/**/*.ts"]
+}
\ No newline at end of file
diff --git a/tsconfig.json b/tsconfig.json
index ec2496c..3b47d56 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,10 +1,9 @@
 {
-    "compilerOptions": {
-      "target": "ES6",
-      "module": "ES6",
-      "moduleResolution": "Node",
-      "outDir": "dist",
-      "strict": true,
-      "esModuleInterop": true
-    }
+  "compilerOptions": {
+    "target": "es2020",
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "skipLibCheck": true
+  }
 }
\ No newline at end of file