尝试在基于 Ubuntu 23.04 的容器中安装 Python 3.7。我不断收到以下错误。以下是我尝试过的：
RUN apt-get install -y python3.7 python3-pip:
#8 0.788 Package python3.7 is not available, but is referred to by another package.
#8 0.788 This may mean that the package is missing, has been obsoleted, or
#8 0.788 is only available from another source
#8 0.788
#8 0.796 E: Package 'python3.7' has no installation candidate
[4/9] RUN apt-get update -y && apt-get install software-properties-common -y && add-apt-repository ppa:deadsnakes/ppa -y
=> ERROR [5/9] RUN apt-get update -y
#8 1.246 Err:6 https://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu lunar Release
#8 1.246 404 Not Found
#8 1.275 Reading package lists...
#8 1.671 E: The repository 'https://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu lunar Release' does not have a Release file.
#8 0.712 Ign:5 https://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu lunar InRelease
#8 1.155 Err:6 https://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu lunar Release
#8 1.155 404 Not Found [IP: xx.xx.xx.xx]
#8 1.187 Reading package lists...
#8 1.608 E: The repository 'https://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu lunar Release' does not have a Release file.
=> ERROR [6/8] RUN apt-get install -y python3.7.16 python3-pip
------
> [6/8] RUN apt-get install -y python3.7.16 python3-pip:
#9 0.315 Reading package lists...
#9 0.691 Building dependency tree...
#9 0.777 Reading state information...
#9 0.810 E: Unable to locate package python3.7.16
#9 0.810 E: Couldn't find any package by glob 'python3.7.16'
#9 0.810 E: Couldn't find any package by regex 'python3.7.16'