diff --git a/code/app.py b/code/app.py
new file mode 100644
index 0000000..f319d49
--- /dev/null
+++ b/code/app.py
@@ -0,0 +1,107 @@
+import uvicorn
+from fastapi import FastAPI, Request, HTTPException
+from fastapi.responses import HTMLResponse
+from dotenv import load_dotenv
+import logging
+from typing import List
+import os
+
+from utils import clone_repository, load_runner_script
+from setup_logging import setup_logging
+from gitea_request import GiteaRequest
+
+app = FastAPI()
+
+@app.get('/', response_class=HTMLResponse)
+async def root():
+    content_str = """
+        <html>
+            <head>
+                <title>Gitea Runner</title>
+            </head>
+            <body>
+                <h1>Welcome to Gitea Runner</h1>
+                <p>see /docs for more information</p>
+            </body>
+        </html>
+    """
+    return HTMLResponse(content=content_str, status_code=200)
+
+@app.post('/test')
+async def test(request: Request):
+    """ Test connection to server. """
+    logging.debug('Content-Type: ', request.headers.get('content-type'))
+    raise HTTPException(
+        status_code=200,
+        detail='test completed'
+    )
+
+@app.post('/event')
+def handle_event(request: GiteaRequest):
+    """ Handle event from webhook. """
+    # extract information
+    commit_msg = request.head_commit['message']
+    repo_url = request.repository['clone_url']
+    branch_name = request.ref.split('/')[-1]
+    # stop early if asked
+    if commit_msg.lower().startswith('[skip ci]'):
+        raise HTTPException(
+            status_code=200,
+            detail='skipping ci'
+        )
+    # clone repository
+    local_repo_dir = clone_repository(repo_url)
+    # locate runner script
+    runner_script_path = local_repo_dir / 'runner_script.yml'
+    if not runner_script_path.exists():
+        raise HTTPException(
+            status_code=200,
+            detail="no runner_script.yml in repository root"
+        )
+    # load runner script
+    runner_script = load_runner_script(path=runner_script_path)
+    # determine pipeline to run
+    if branch_name not in runner_script.pipelines.keys():
+        # get default pipeline
+        if 'default' not in runner_script.pipelines.keys():
+            raise HTTPException(
+                status_code=404,
+                detail='no pipelines defined in runner_script.yml'
+            )
+        pipeline = runner_script.pipelines['default']
+    else:
+        # get custom pipeline
+        pipeline = runner_script.pipelines[branch_name]
+    logging.info(f'running pipeline {pipeline.name}')
+    # TODO: create virtualenv?
+    # install requirements
+    assert pipeline.requirements is not None
+    requirements_path = local_repo_dir / pipeline.requirements
+    os.system(f'pip install -r {requirements_path}')
+    for cmd in pipeline.script:
+        try:
+            os.system(cmd)
+        except Exception as e:
+            raise HTTPException(
+                status_code=503,
+                detail=f'failed running {cmd}: {e}'
+            )
+
+    # send response
+    raise HTTPException(
+        status_code=202,
+        detail='received task'
+    )
+# consider to include link to page that show progress
+
+if __name__ == '__main__':
+    load_dotenv('dev.env')
+    setup_logging()
+    listen_ip = os.getenv('LISTEN_IP', default='0.0.0.0')
+    listen_port = int(os.getenv('LISTEN_PORT', default=8000))
+    logging.info(f'starting FastAPI server ({listen_ip}:{listen_port})')
+    uvicorn.run(
+        app=app,
+        host=listen_ip,
+        port=listen_port
+    )
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