(reference only, it won't work per sysbox feedback)

README-Build-Sysbox-on-arm64.md

1. assume you are under ubuntu 20.04 arm64 platform
2. install docker, git, make and jq
3. download the arm64.patch at $HOME
4. execute

git clone --recursive https://github.com/nestybox/sysbox -b v0.4.1
cd sysbox
patch -p1 < ~/arm64.patch
make sysbox
ls build/ubuntu_20.04/arm64/

5. install those binary per steps in https://github.com/nestybox/sysbox/blob/master/docs/developers-guide/build.md#building--installing-from-source

arm64.patch

diff --git a/Makefile b/Makefile
index 01bb13d..3f676b9 100644
--- a/Makefile
+++ b/Makefile
@@ -37,7 +37,7 @@ export HOST_UID := $(shell id -u)
 export HOST_GID := $(shell id -g)
 
 # By default, build for amd64
-ARCH := amd64
+ARCH := arm64
 
 # Source-code paths of the sysbox binary targets.
 SYSRUNC_DIR     := sysbox-runc
Submodule sysbox-fs contains modified content
diff --git a/sysbox-fs/Makefile b/sysbox-fs/Makefile
index ebeac98..e7278ed 100644
--- a/sysbox-fs/Makefile
+++ b/sysbox-fs/Makefile
@@ -6,7 +6,7 @@
 .PHONY: clean sysbox-fs-debug sysbox-fs-static lint list-packages
 
 GO := go
-ARCH := amd64
+ARCH := arm64
 
 SYSFS_BUILDROOT := build
 SYSFS_BUILDDIR := $(SYSFS_BUILDROOT)/$(ARCH)
Submodule sysbox-mgr contains modified content
diff --git a/sysbox-mgr/Makefile b/sysbox-mgr/Makefile
index 9c697b1..8ad25f0 100644
--- a/sysbox-mgr/Makefile
+++ b/sysbox-mgr/Makefile
@@ -6,7 +6,7 @@
 .PHONY: clean sysbox-mgr-debug sysbox-mgr-static lint list-packages
 
 GO := go
-ARCH := amd64
+ARCH := arm64
 
 SYSMGR_BUILDROOT := build
 SYSMGR_BUILDDIR := $(SYSMGR_BUILDROOT)/$(ARCH)
Submodule sysbox-runc contains modified content
diff --git a/sysbox-runc/Makefile b/sysbox-runc/Makefile
index f5f8d869..582d74f0 100644
--- a/sysbox-runc/Makefile
+++ b/sysbox-runc/Makefile
@@ -1,6 +1,6 @@
 CONTAINER_ENGINE := docker
 GO := go
-ARCH := amd64
+ARCH := arm64
 
 RUNC_BUILDROOT := build
 RUNC_BUILDDIR := $(RUNC_BUILDROOT)/$(ARCH)
diff --git a/tests/Dockerfile.ubuntu-focal b/tests/Dockerfile.ubuntu-focal
index 96d6e41..03f2929 100644
--- a/tests/Dockerfile.ubuntu-focal
+++ b/tests/Dockerfile.ubuntu-focal
@@ -95,8 +95,8 @@ RUN apt-get update && apt-get install -y \
     && ssh-keygen -t rsa -N "" -f ~/.ssh/id_rsa
 
 # Install Golang 1.13 release and explicitly activate modules functionality.
-RUN wget https://dl.google.com/go/go1.13.3.linux-amd64.tar.gz && \
-    tar -C /usr/local -xzf go1.13.3.linux-amd64.tar.gz && \
+RUN wget https://dl.google.com/go/go1.13.3.linux-arm64.tar.gz && \
+    tar -C /usr/local -xzf go1.13.3.linux-arm64.tar.gz && \
     /usr/local/go/bin/go env -w GONOSUMDB=/root/nestybox
 
 ENV GOPATH /go
@@ -120,8 +120,8 @@ RUN cd /tmp \
 # install protoc compiler for gRPC
 RUN mkdir -p ~/bin/protoc \
     && cd ~/bin/protoc/ \
-    && wget https://github.com/protocolbuffers/protobuf/releases/download/v3.6.1/protoc-3.6.1-linux-x86_64.zip \
-    && unzip protoc-3.6.1-linux-x86_64.zip \
+    && wget https://github.com/protocolbuffers/protobuf/releases/download/v3.6.1/protoc-3.6.1-linux-aarch_64.zip \
+    && unzip protoc-3.6.1-linux-aarch_64.zip \
     && mkdir -p /usr/local/include \
     && cp -r include/* /usr/local/include/ \
     && cp bin/protoc /usr/local/bin/ \
@@ -143,7 +143,7 @@ RUN  apt-get update \
     && curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add - \
     && apt-key fingerprint 0EBFCD88 \
     && add-apt-repository \
-    "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
+    "deb [arch=arm64] https://download.docker.com/linux/ubuntu \
     $(lsb_release -cs) \
     stable" \
     && apt-get update && apt-get install -y docker-ce docker-ce-cli containerd.io
@@ -171,9 +171,9 @@ RUN echo "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontai
     && curl -L https://download.opensuse.org/repositories/devel:kubic:libcontainers:stable:cri-o:${crio_version}/${crio_os}/Release.key | apt-key add - \
     && curl -L https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/${crio_os}/Release.key | apt-key add - \
     && apt-get update && apt-get install -y --no-install-recommends conntrack cri-o cri-o-runc \
-    && wget https://github.com/kubernetes-sigs/cri-tools/releases/download/${crictl_version}/crictl-${crictl_version}-linux-amd64.tar.gz \
-    && sudo tar zxvf crictl-${crictl_version}-linux-amd64.tar.gz -C /usr/local/bin \
-    && rm -f crictl-${crictl_version}-linux-amd64.tar.gz
+    && wget https://github.com/kubernetes-sigs/cri-tools/releases/download/${crictl_version}/crictl-${crictl_version}-linux-arm64.tar.gz \
+    && sudo tar zxvf crictl-${crictl_version}-linux-arm64.tar.gz -C /usr/local/bin \
+    && rm -f crictl-${crictl_version}-linux-arm64.tar.gz
 
 # Container CNIs (needed by CRI-O)
 RUN cd /root \
@@ -185,7 +185,7 @@ RUN cd /root \
     && cp bin/* /opt/cni/bin/
 
 # Dasl (for yaml, toml, json parsing) (https://github.com/TomWright/dasel)
-RUN curl -s https://api.github.com/repos/tomwright/dasel/releases/latest | grep browser_download_url | grep linux_amd64 | cut -d '"' -f 4 | wget -qi - && mv dasel_linux_amd64 dasel && chmod +x dasel \
+RUN curl -s https://api.github.com/repos/tomwright/dasel/releases/latest | grep browser_download_url | grep linux_arm64 | cut -d '"' -f 4 | wget -qi - && mv dasel_linux_arm64 dasel && chmod +x dasel \
     && mv ./dasel /usr/local/bin/dasel
 
 # Use the old definition for SECCOMP_NOTIF_ID_VALID in /usr/include/linux/seccomp.h