ARM architecture not supported when building the charts directory

[amcginlay]

Following the instructions here using a Macbook Pro M1 I get the following when attempting to build the "vault-with-venafi-plugins" image:

[~/src/opencredo/venafi-vault-wizard/examples/helm]
$ make build
Building Docker image with version 0.9.0 of the pki monitor and version 0.10.3 of the pki backend venafi plugins
docker build -t vault-with-venafi-plugins --build-arg PKI_MONITOR_PLUGIN_VERSION=0.9.0 --build-arg PKI_BACKEND_PLUGIN_VERSION=0.10.3 .
[+] Building 1.5s (5/5) FINISHED                                                                                                                        
 => [internal] load build definition from Dockerfile                                                                                               0.0s
 => => transferring dockerfile: 37B                                                                                                                0.0s
 => [internal] load .dockerignore                                                                                                                  0.0s
 => => transferring context: 2B                                                                                                                    0.0s
 => [internal] load metadata for docker.io/library/vault:1.7.1                                                                                     1.3s
 => CACHED [1/2] FROM docker.io/library/vault:1.7.1@sha256:10f564c947706e021e60c84bd22b1e91559db133d6d3a57e930d32cd7e0cbf77                        0.0s
 => ERROR [2/2] RUN set -eux;     apkArch="$(apk --print-arch)";     case "$apkArch" in         x86_64) ARCH='' ;;         x86) ARCH='86' ;;       0.2s
------                                                                                                                                                  
 > [2/2] RUN set -eux;     apkArch="$(apk --print-arch)";     case "$apkArch" in         x86_64) ARCH='' ;;         x86) ARCH='86' ;;         *) echo >&2 "error: unsupported architecture: $apkArch"; exit 1 ;;     esac &&     mkdir -p /tmp/plugin_dl &&     cd /tmp/plugin_dl &&     wget https://github.com/Venafi/vault-pki-monitor-venafi/releases/download/v0.9.0/venafi-pki-monitor_v0.9.0_linux${ARCH}_optional.zip &&     wget https://github.com/Venafi/vault-pki-backend-venafi/releases/download/v0.10.3/venafi-pki-backend_v0.10.3_linux${ARCH}.zip &&     mkdir -p /vault/plugins &&     unzip venafi-pki-monitor_v0.9.0_linux${ARCH}_optional.zip &&     cp venafi-pki-monitor_optional /vault/plugins/venafi-pki-monitor_v0.9.0 &&     unzip venafi-pki-backend_v0.10.3_linux${ARCH}.zip &&     cp venafi-pki-backend /vault/plugins/venafi-pki-backend_v0.10.3 &&     cd /tmp &&     rm -rf /tmp/plugin_dl:
#5 0.141 + apk --print-arch
#5 0.143 + apkArch=aarch64
#5 0.143 + echo 'error: unsupported architecture: aarch64'
#5 0.143 error: unsupported architecture: aarch64
#5 0.143 + exit 1
------
executor failed running [/bin/sh -c set -eux;     apkArch="$(apk --print-arch)";     case "$apkArch" in         x86_64) ARCH='' ;;         x86) ARCH='86' ;;         *) echo >&2 "error: unsupported architecture: $apkArch"; exit 1 ;;     esac &&     mkdir -p /tmp/plugin_dl &&     cd /tmp/plugin_dl &&     wget https://github.com/Venafi/vault-pki-monitor-venafi/releases/download/v${PKI_MONITOR_PLUGIN_VERSION}/venafi-pki-monitor_v${PKI_MONITOR_PLUGIN_VERSION}_linux${ARCH}_optional.zip &&     wget https://github.com/Venafi/vault-pki-backend-venafi/releases/download/v${PKI_BACKEND_PLUGIN_VERSION}/venafi-pki-backend_v${PKI_BACKEND_PLUGIN_VERSION}_linux${ARCH}.zip &&     mkdir -p /vault/plugins &&     unzip venafi-pki-monitor_v${PKI_MONITOR_PLUGIN_VERSION}_linux${ARCH}_optional.zip &&     cp venafi-pki-monitor_optional /vault/plugins/venafi-pki-monitor_v${PKI_MONITOR_PLUGIN_VERSION} &&     unzip venafi-pki-backend_v${PKI_BACKEND_PLUGIN_VERSION}_linux${ARCH}.zip &&     cp venafi-pki-backend /vault/plugins/venafi-pki-backend_v${PKI_BACKEND_PLUGIN_VERSION} &&     cd /tmp &&     rm -rf /tmp/plugin_dl]: exit code: 1
make: *** [build] Error 1

It would appear that the M1 (ARM) architecture is currently unsupported.
This could be a one-off when building the image or part or a series of related issues, I'm currently unable to tell.

[amcginlay]

Update

I think a suitable fix for this would be to modify the Dockerfile (line 9):
From:
x86_64) ARCH='' ;;
To:
x86_64|aarch64) ARCH='' ;; \

I was able to build the docker image this way.