support ARCH arg

Author: Bennett Goble

.github/workflows/build.yaml .github/workflows/ci.yaml.github/workflows/build.yaml renamed to .github/workflows/ci.yaml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   test:
-    runs-on: [self-hosted]
+    runs-on: [self-hosted, linux, x64]
     steps:
       - uses: actions/checkout@v2
       - name: Run tests

Dockerfile

@@ -1,7 +1,8 @@
 ############
 # Base 
 ############
-FROM artifactory.secondlife.io/dockerhub/alpine:3 AS base
+ARG ARCH=
+FROM artifactory.secondlife.io/dockerhub/${ARCH}alpine:3 AS base
 RUN apk add --no-cache \
     bash \
     nginx \