Config Dockerfile, cambio comando a python3

Dockerfile

@@ -11,18 +11,18 @@ WORKDIR /cata_system
 
 COPY requirements.txt .
 
-RUN python -m venv /opt/venv
+RUN python3 -m venv /opt/venv
 ENV PATH="/opt/venv/bin:$PATH"
 RUN ls -lah
 
 RUN python3 -m pip install --upgrade pip && \
     python3 -m pip install -r requirements.txt
 
-RUN python manage.py migrate
-RUN python manage.py tailwind build
-RUN python manage.py collectstatic --noinput
+RUN python3 manage.py migrate
+RUN python3 manage.py tailwind build
+RUN python3 manage.py collectstatic --noinput
 
-RUN python manage.py shell < create_superuser.py
+RUN python3 manage.py shell < create_superuser.py
 
 EXPOSE 7860