diff --git a/backend/Dockerfile b/backend/Dockerfile
index a657a1d..4a9b5bb 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -37,5 +37,5 @@ RUN poetry install
 FROM set_poetry as app_ready
 
 #EXPOSE 80
-COPY src/ .
-CMD ["poetry", "run", "uvicorn", "api.main:app", "--host", "0.0.0.0", "--port", "8000"]
+COPY src/ src
+CMD ["poetry", "run", "uvicorn", "src.api.main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]
diff --git a/backend/src/api/main.py b/backend/src/api/main.py
index ee60be1..87a1b02 100644
--- a/backend/src/api/main.py
+++ b/backend/src/api/main.py
@@ -1,8 +1,10 @@
 from fastapi import FastAPI
+from ..config import config
 
 app = FastAPI()
 
 
-@app.get("/")
-async def root():
-    return {"message": "Hello World"}
+@app.get("/months")
+async def get_months():
+    print(config)
+    return {"message": "plop"}
diff --git a/backend/src/config.py b/backend/src/config.py
new file mode 100644
index 0000000..1bf9806
--- /dev/null
+++ b/backend/src/config.py
@@ -0,0 +1,9 @@
+import os
+
+config = {}
+
+try:
+    config["datapath"] = os.environ["DATASPATH"]
+except KeyError:
+    config["datapath"] = "/datas"
+
diff --git a/docker-compose_live.yml b/docker-compose_live.yml
new file mode 100644
index 0000000..d567c3d
--- /dev/null
+++ b/docker-compose_live.yml
@@ -0,0 +1,11 @@
+---
+version: '3.8'
+
+services:
+  back:
+    build: ./backend
+    ports:
+      - 8000:8000
+    volumes:
+      - ./backend/src:/app/src
+      - ./datas:/datas