Attempt at building multi-platform builder

.woodpecker/.build.yml

@@ -1,6 +1,7 @@
 # These checks already get performed on the feature branches
 branches:
   exclude: [ main, dev ]
+platform: linux/amd64
 
 pipeline:
   vieter:

.woodpecker/.builder.yml

@@ -1,13 +1,15 @@
-branches: dev
+# branches: dev
+platform: linux/amd64
 
 pipeline:
   publish:
-    image: plugins/docker
+    image: woodpeckerci/plugin-docker-buildx
     secrets: [ docker_username, docker_password ]
     settings:
       repo: chewingbever/vlang
       tag: latest
       dockerfile: Dockerfile.builder
+      platforms: [ linux/arm/v7, linux/arm64/v8, linux/amd64 ]
     when:
       event: push
       path: Dockerfile.builder

.woodpecker/.lint.yml

@@ -1,6 +1,7 @@
 # These checks already get performed on the feature branches
 branches:
   exclude: [ main, dev ]
+platform: linux/amd64
 
 pipeline:
   lint:

.woodpecker/.publish.yml

@@ -1,4 +1,5 @@
 branches: [main, dev]
+platform: linux/amd64
 
 pipeline:
   dev:

Dockerfile.builder

@@ -8,9 +8,9 @@ ENV VVV  /opt/vlang
 ENV PATH /opt/vlang:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 ENV VFLAGS -cc gcc
 
-RUN mkdir -p /opt/vlang && ln -s /opt/vlang/v /usr/bin/v
-
-RUN apk --no-cache add \
+RUN mkdir -p /opt/vlang && \
+  ln -s /opt/vlang/v /usr/bin/v && \
+  apk --no-cache add \
     git make upx gcc bash \
     musl-dev \
     openssl-libs-static openssl-dev \