Add docker symlink instead of alias

x64/Dockerfile

@@ -7,6 +7,7 @@ apt update
 apt upgrade -y
 apt install curl pip git python3-venv pkg-config libicu-dev sudo podman -y
 sed -i /etc/sudoers -re 's/^%sudo.*/%sudo ALL=(ALL:ALL) NOPASSWD: ALL/g'
+ln -s /usr/bin/podman /usr/bin/docker
 EOF
 
 WORKDIR /home/ubuntu
@@ -15,7 +16,6 @@ USER ubuntu
 RUN <<EOF
 su ubuntu
 cd /home/ubuntu
-echo 'alias docker="podman"' >> ./.bashrc
 mkdir runner
 latest_runner_version=$(curl -I -v -s https://github.com/actions/runner/releases/latest 2>&1 | perl -ne 'next unless s/^< location: //; s{.*/v}{}; s/\s+//; print')
 curl -sL "https://github.com/actions/runner/releases/download/v${latest_runner_version}/actions-runner-linux-x64-${latest_runner_version}.tar.gz" | tar xzvC ./runner/