revert changes

substra_launcher.py

@@ -19,19 +19,15 @@ async def launch_substra_space(
         folder_path="./substra_template/"
     )
 
-    DOCKER_FILE = f"""\
-FROM ghcr.io/substra/substrafl:substra-hf-demo
-
-ENV SUBSTRA_ORG1_DISTR={hospital_a / 100}
-ENV SUBSTRA_ORG2_DISTR={hospital_b / 100}
-
-CMD ["bash", "docker-run.sh"]\
+    ENV_FILE = f"""\
+SUBSTRA_ORG1_DISTR={hospital_a / 100}
+SUBSTRA_ORG2_DISTR={hospital_b / 100}\
 """
 
     hf_api.upload_file(
         repo_id=repo_id,
         path_or_fileobj=DOCKER_FILE.encode(),
-        path_in_repo="substra_template/Dockerfile",
+        path_in_repo=".env",
         repo_type="space",
     )