Add run_in_docker.sh to allow repetitive builds

Dockerfile

@@ -0,0 +1,15 @@
+FROM ubuntu:20.04
+
+RUN apt update && apt -y install \
+    build-essential \
+    clang \
+    curl \
+    python3-dev
+
+ENV RUSTUP_HOME=/opt/rust
+ENV CARGO_HOME=/opt/rust
+ENV PATH=$PATH:/opt/rust/bin
+
+
+COPY scripts/install_build_tools.sh .
+RUN bash install_build_tools.sh

run_in_docker.sh

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+#!/bin/env bash
+set -e
+
+docker_image_name=blockifier-ci
+docker build . -t ${docker_image_name}
+
+docker run \
+    --rm \
+    --net host \
+    -e CARGO_HOME=${HOME}/.cargo \
+    -u $UID \
+    -v /tmp:/tmp \
+    -v "${HOME}:${HOME}" \
+    --workdir ${PWD} \
+    ${docker_image_name} \
+    "$@"

scripts/install_build_tools.sh

@@ -0,0 +1,44 @@
+#!/bin/env bash
+set -e
+function install_base_packages () {
+    apt update && apt -y install \
+        build-essential \
+        clang \
+        curl \
+        python3-dev
+}
+
+function install_pypy() {
+  pushd /opt
+  $USE_SUDO bash -c '
+  curl -Lo pypy3.9-v7.3.11-linux64.tar.bz2 https://downloads.python.org/pypy/pypy3.9-v7.3.11-linux64.tar.bz2
+  tar -xf pypy3.9-v7.3.11-linux64.tar.bz2
+  rm pypy3.9-v7.3.11-linux64.tar.bz2
+  chmod +x pypy3.9-v7.3.11-linux64/bin/pypy3
+
+  if [ -L /usr/local/bin/pypy3.9 ]; then
+      unlink /usr/local/bin/pypy3.9
+  fi
+
+  ln -s /opt/pypy3.9-v7.3.11-linux64/bin/pypy3 /usr/local/bin/pypy3.9
+
+  if [ -L /opt/pypy3.9 ]; then
+      unlink /opt/pypy3.9
+  fi
+
+  ln -s /opt/pypy3.9-v7.3.11-linux64 /opt/pypy3.9
+  pypy3.9 -m ensurepip
+  pypy3.9 -m pip install wheel
+  '
+  popd
+}
+
+function install_rust () {
+    curl https://sh.rustup.rs -sSf | sh -s -- -y --no-modify-path
+}
+
+# Uncomment only if base packages is not installed via Dockerfile
+# install_base_packages
+install_pypy &
+install_rust &
+wait