Updated the Docker stuffs

Author: macagua

Dockerfile

@@ -1,20 +1,18 @@
 # Use an official Python runtime as a parent image
-FROM python:3.6
+FROM python:3.11
 
 # Set the working directory to /app
 WORKDIR /app
 
 # Copy the current directory contents into the container at /app
 COPY . /app
 
-CMD ["apt","install","python3-dev","python3-pip","python3-virtualenv","sqlitebrowser"]
-# Install any needed packages specified in requirements.txt
-RUN pip install -r requirements.txt
+# Install necessary packages and any needed packages specified in requirements.txt
+RUN apt-get update && apt-get install -y python3-dev python3-pip && pip install -r requirements.txt
 
 # Make port 8000 available to the world outside this container
 EXPOSE 8000
 
-CMD ["python3","manage.py","migrate"]
-# Run app.py when the container launches
-CMD ["python3", "manage.py","runserver","0.0.0.0:8000"]
+# Run migrations and then start the server
+CMD ["sh", "-c", "python3 manage.py migrate && python3 manage.py runserver 0.0.0.0:8000"]
 

README.rst

@@ -108,14 +108,26 @@ the *Django Admin Interface* like this:
 Building with docker
 ====================
 
+Building image with the following command:
+
 ::
 
     $ docker build --tag=helloworld .
 
+
+Running the container with the following command:
+
 ::
 
     $ docker run -p 4000:8000 helloworld 
 
+
+Requesting the URL http://localhost:4000 with the following command:
+
 ::
 
-    $ curl localhost:4000
+    $ curl localhost:4000
+
+
+Also you can request the URL http://localhost:4000 in your web browser
+you can see the hello world example.