修改了dockerfile

.idea/workspace.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="568b48a6-ca7f-4dc8-b0ca-a3d09f437fa9" name="Default Changelist" comment="" />
+    <list default="true" id="568b48a6-ca7f-4dc8-b0ca-a3d09f437fa9" name="Default Changelist" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/Dockerfile" beforeDir="false" afterPath="$PROJECT_DIR$/Dockerfile" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
+    </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />

Dockerfile

@@ -2,4 +2,4 @@ FROM python:3.9
 WORKDIR ./edge
 ADD . .
 RUN pip install -r requirements.txt -i  https://pypi.tuna.tsinghua.edu.cn/simple/
-CMD ["python", "./extraction.py"]
\ No newline at end of file
+CMD ["python", "./app.py"]
\ No newline at end of file

README.md

@@ -2,4 +2,4 @@
 + docker stop edge
 + docker rm edge
 + docker build -t edge .
-+ docker run -d -p 8082:8082 --name edge edge
\ No newline at end of file
++ docker run -d -p 3000:3000 --name edge edge
\ No newline at end of file