etc: copy instructions from docker website

Signed-off-by: Vitor Bandeira <[email protected]>

Author: vvbandeira

etc/DependencyInstaller.sh

@@ -122,17 +122,23 @@ _installCI() {
         python3 \
         software-properties-common
 
-    curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
-    echo "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
-        $(lsb_release -cs) stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
+    # Add Docker's official GPG key:
+    install -m 0755 -d /etc/apt/keyrings
+    curl -fsSL https://download.docker.com/linux/ubuntu/gpg \
+        -o /etc/apt/keyrings/docker.asc
+    chmod a+r /etc/apt/keyrings/docker.asc
+
+    # Add the repository to Apt sources:
+    echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
+        $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
+        tee /etc/apt/sources.list.d/docker.list > /dev/null
 
     apt-get -y update
     apt-get -y install --no-install-recommends \
         docker-ce \
         docker-ce-cli \
-        containerd.io
-
-    apt-get -y install --no-install-recommends docker-buildx
+        containerd.io \
+        docker-buildx-plugin \
 
 }