diff --git a/Dockerfile b/Dockerfile
index 89ef851..fc1d838 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,13 +33,13 @@ ENV NODE_ENV production
 
 # cleanup
 USER root
-RUN rm -r ./src ./public/js-source ./bio-proxy-configuration-for-docker && \
+RUN rm -r ./backend/src ./backend/test ./public/js-source ./bio-proxy-configuration-for-docker && \
     npm cache clean --force
 USER appuser
 
 # healthcheck
 HEALTHCHECK --interval=10s --timeout=2s --start-period=15s \
-    CMD node ./out/healthcheck.js
+    CMD node ./backend/out/healthcheck.js
 
 # set command
 CMD npm run production
diff --git a/src/.eslintrc.js b/backend/.eslintrc.js
similarity index 100%
rename from src/.eslintrc.js
rename to backend/.eslintrc.js
diff --git a/src/app.ts b/backend/src/app.ts
similarity index 92%
rename from src/app.ts
rename to backend/src/app.ts
index 6ae3e37..8e5077a 100644
--- a/src/app.ts
+++ b/backend/src/app.ts
@@ -48,12 +48,12 @@ router.use(AutoReloader.getRouter({
 // static config
 router.use('/js/polyfill.js', Polyfill.getRouter('./public/js/bundle.js'));
 router.use(sassMiddleware({
-  src: path.join(__dirname, '../public'),
-  dest: path.join(__dirname, '../public'),
+  src: path.join(__dirname, '../../public'),
+  dest: path.join(__dirname, '../../public'),
   indentedSyntax: true, // true = .sass and false = .scss
   sourceMap: true,
 }));
-router.use(express.static(path.join(__dirname, '../public')));
+router.use(express.static(path.join(__dirname, '../../public')));
 
 router.use(indexRouter);
 app.use(DefaultConfig.BASE_PATH, router);
diff --git a/src/healthcheck.ts b/backend/src/healthcheck.ts
similarity index 100%
rename from src/healthcheck.ts
rename to backend/src/healthcheck.ts
diff --git a/src/index.ts b/backend/src/index.ts
similarity index 100%
rename from src/index.ts
rename to backend/src/index.ts
diff --git a/src/routes/api/user.ts b/backend/src/routes/api/user.ts
similarity index 100%
rename from src/routes/api/user.ts
rename to backend/src/routes/api/user.ts
diff --git a/src/routes/healthcheck.ts b/backend/src/routes/healthcheck.ts
similarity index 100%
rename from src/routes/healthcheck.ts
rename to backend/src/routes/healthcheck.ts
diff --git a/src/routes/index.ts b/backend/src/routes/index.ts
similarity index 100%
rename from src/routes/index.ts
rename to backend/src/routes/index.ts
diff --git a/src/types/extend-request.d.ts b/backend/src/types/extend-request.d.ts
similarity index 100%
rename from src/types/extend-request.d.ts
rename to backend/src/types/extend-request.d.ts
diff --git a/test/routes/healthcheck.ts b/backend/test/routes/healthcheck.ts
similarity index 100%
rename from test/routes/healthcheck.ts
rename to backend/test/routes/healthcheck.ts
diff --git a/tsconfig.json b/backend/tsconfig.json
similarity index 92%
rename from tsconfig.json
rename to backend/tsconfig.json
index 4404f06..8845498 100644
--- a/tsconfig.json
+++ b/backend/tsconfig.json
@@ -12,7 +12,7 @@
     "./src/**/*.ts"
   ],
   "exclude": [
-    "./node_modules",
+    "../node_modules",
     "./public"
   ]
 }
diff --git a/views/error.pug b/backend/views/error.pug
similarity index 100%
rename from views/error.pug
rename to backend/views/error.pug
diff --git a/views/index.pug b/backend/views/index.pug
similarity index 100%
rename from views/index.pug
rename to backend/views/index.pug
diff --git a/views/layout.pug b/backend/views/layout.pug
similarity index 100%
rename from views/layout.pug
rename to backend/views/layout.pug
diff --git a/package.json b/package.json
index 5ae535c..9a4830b 100644
--- a/package.json
+++ b/package.json
@@ -6,11 +6,11 @@
     "lint": "eslint . --ext .ts",
     "lint-fix": "eslint . --ext .ts --fix",
     "debug-client": "tsc-watch --project ./public/js-source",
-    "debug-server": "tsc-watch --project . --onSuccess \"node --enable-source-maps --use-openssl-ca --unhandled-rejections=strict ./out/index\"",
+    "debug-server": "tsc-watch --project ./backend --onSuccess \"node --enable-source-maps --use-openssl-ca --unhandled-rejections=strict ./backend/out/index\"",
     "debug": "concurrently npm:debug-*",
-    "test": "nyc mocha -r ts-node/register ./public/js-source/test/**/*.ts ./test/**/*.ts",
+    "test": "nyc mocha -r ts-node/register ./public/js-source/test/**/*.ts ./backend/test/**/*.ts",
     "build": "tsc",
-    "production": "node --use-openssl-ca --unhandled-rejections=strict ./out/index",
+    "production": "node --use-openssl-ca --unhandled-rejections=strict ./backend/out/index",
     "install-debug": "npm install && npm run build",
     "install-prod": "npm install --only=dev && npm install --only=prod && npm run build && npm test && npm run del-node-module && npm install --only=prod",
     "del-node-module:default": "rm -r node_modules",
diff --git a/public/styles/style.css b/public/styles/style.css
deleted file mode 100644
index b57cbb4..0000000
--- a/public/styles/style.css
+++ /dev/null
@@ -1,8 +0,0 @@
-body {
-  padding: 50px;
-  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif; }
-
-a {
-  color: #00B7FF; }
-
-/*# sourceMappingURL=style.css.map */
\ No newline at end of file