Merge branch 'aarch' into 'aarch'

Alpine Builder

See merge request signald/infrastructure!1

.gitlab-ci.yml

@@ -34,4 +34,11 @@ builder-image:aarch64:
   tags: [arm-docker-builder]
   variables:
     DOCKERFILE: "signald-builder.Dockerfile"
-    NAME: "signald-builder-arm"
+    NAME: "signald-builder-arm"
+
+builder-image-alpine:aarch64:
+  <<: *build
+  tags: [arm-docker-builder]
+  variables:
+    DOCKERFILE: "signald-builder-alpine.Dockerfile"
+    NAME: "signald-builder-alpine-arm"

signald-builder-alpine.Dockerfile

@@ -0,0 +1,8 @@
+FROM alpine:latest
+
+RUN apk upgrade -alU \
+    && apk add rust make git cargo \
+    && adduser -D signald \
+    && rm -rfv /var/cache/apk/*
+
+USER signald