fixing travis jobs

Author: sorobon

.travis.yml

@@ -4,12 +4,9 @@ python: 3.9
 before_install:
   - sudo rm -rf /var/lib/apt/lists/*
   - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
-  - sudo add-apt-repository -y "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) edge"
+  - sudo add-apt-repository -y "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
   - sudo apt-get update
-  - sudo apt-get -y -o Dpkg::Options::="--force-confnew" install docker-ce
-  - mkdir -vp ~/.docker/cli-plugins/
-  - curl --silent -L "https://github.com/docker/buildx/releases/download/v0.3.0/buildx-v0.3.0.linux-amd64" > ~/.docker/cli-plugins/docker-buildx
-  - chmod a+x ~/.docker/cli-plugins/docker-buildx
+  - sudo apt-get -y -o Dpkg::Options::="--force-confnew" install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
 install:
 - pip install pipenv
 - pipenv sync