revert dockerfile and only have shell script changes (apt to apt-get) (…

…#2917)

* Update Dockerfile with apt-get

* create multistage build for ci/docker and add apt-get to some of the shell scripts

* revert the dockerfile to its original place

.github/scripts/downstream-project-spl-install-deps.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
 set -e
 
-sudo apt update
-sudo apt install libudev-dev binutils-dev libunwind-dev protobuf-compiler -y
+sudo apt-get update
+sudo apt-get install libudev-dev binutils-dev libunwind-dev protobuf-compiler -y

ci/docker/Dockerfile

@@ -124,4 +124,4 @@ RUN \
   chmod +x codecov && \
   mv codecov /usr/bin && \
   # clean lists
-  rm -rf /var/lib/apt/lists/*
+  rm -rf /var/lib/apt/lists/*

ci/setup-new-buildkite-agent/setup-new-machine.sh

@@ -11,15 +11,15 @@ check_ssh_authorized_keys || exit 1
 
 set -ex
 
-apt update
-apt upgrade -y
+apt-get update
+apt-get upgrade -y
 
 cat >/etc/apt/apt.conf.d/99-solana <<'EOF'
 // Set and persist extra caps on iftop binary
 Dpkg::Post-Invoke { "which iftop 2>&1 >/dev/null && setcap cap_net_raw=eip $(which iftop) || true"; };
 EOF
 
-apt install -y build-essential pkg-config clang cmake sysstat linux-tools-common \
+apt-get install -y build-essential pkg-config clang cmake sysstat linux-tools-common \
   linux-generic-hwe-18.04-edge linux-tools-generic-hwe-18.04-edge \
   iftop heaptrack jq ruby python3-venv gcc-multilib libudev-dev