Buildx

.drone.yml

@@ -62,49 +62,15 @@ steps:
     when:
       event: tag
 
-  - name: push image - arm
-    image: plugins/docker
+  - name: push images
+    image: thegeeklab/drone-docker-buildx
     settings:
       repo: iamthefij/resticscheduler
       auto_tag: true
-      auto_tag_suffix: linux-arm
-      username:
-        from_secret: docker_username
-      password:
-        from_secret: docker_password
-      build_args:
-        - BIN=./dist/resticscheduler-linux-arm
-
-  - name: push image - arm64
-    image: plugins/docker
-    settings:
-      repo: iamthefij/resticscheduler
-      auto_tag: true
-      auto_tag_suffix: linux-arm64
-      username:
-        from_secret: docker_username
-      password:
-        from_secret: docker_password
-      build_args:
-        - BIN=./dist/resticscheduler-linux-arm64
-
-  - name: push image - amd64
-    image: plugins/docker
-    settings:
-      repo: iamthefij/resticscheduler
-      auto_tag: true
-      auto_tag_suffix: linux-amd64
-      username:
-        from_secret: docker_username
-      password:
-        from_secret: docker_password
-
-  - name: publish manifest
-    image: plugins/manifest
-    settings:
-      spec: docker-manifest.tmpl
-      auto_tag: true
-      ignore_missing: true
+      platforms:
+        - linux/amd64
+        - linux/arm64
+        - linux/arm
       username:
         from_secret: docker_username
       password:

Dockerfile

@@ -1,6 +1,7 @@
 FROM scratch
 
-ARG BIN=./dist/resticscheduler-linux-amd64
-COPY ${BIN} /bin/resticscheduler
+ARG TARGETOS
+ARG TARGETARCH
+COPY ./dist/resticscheduler-$TARGETOS-$TARGETARCH /bin/resticscheduler
 
 ENTRYPOINT [ "/resticscheduler" ]

Makefile

@@ -57,5 +57,5 @@ $(TARGETS): $(GOFILES)
 $(TARGET_ALIAS):
 	$(MAKE) $(addprefix dist/,$@)
 
-$(addprefix docker-,$(TARGET_ALIAS)):
-	docker build --build-arg BIN=dist/$(@:docker-%=%) .
+# $(addprefix docker-,$(TARGET_ALIAS)):
+# 	docker build --build-arg BIN=dist/$(@:docker-%=%) .