feat: Add multi-platform build support for Linux binaries and Dockerfiles

.drone.yml

@@ -33,6 +33,19 @@ steps:
     commands:
       - CGO_ENABLED=0 go build -v ./cmd/invertergui
 
+  - name: build-linux-binaries
+    image: cache.coadcorp.com/library/golang:1.26
+    environment:
+      GOFLAGS: -mod=mod
+    commands:
+      - mkdir -p dist
+      - CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -v -o dist/invertergui-linux-amd64 ./cmd/invertergui
+      - CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -v -o dist/invertergui-linux-arm64 ./cmd/invertergui
+    when:
+      event:
+        - push
+        - tag
+
   - name: docker-build-validate
     image: gcr.io/kaniko-project/executor:v1.24.0
     commands:
@@ -46,11 +59,8 @@ steps:
     settings:
       registry: registry.coadcorp.com
       repo: "registry.coadcorp.com/nathan/invertergui"
-      dockerfile: Dockerfile
+      dockerfile: Dockerfile.publish.amd64
       platform: "linux/amd64"
-      build_args:
-        - TARGETOS=linux
-        - TARGETARCH=amd64
       username: nathan
       password:
         from_secret: registry_password
@@ -65,11 +75,8 @@ steps:
     settings:
       registry: registry.coadcorp.com
       repo: "registry.coadcorp.com/nathan/invertergui"
-      dockerfile: Dockerfile
+      dockerfile: Dockerfile.publish.arm64
       platform: "linux/arm64"
-      build_args:
-        - TARGETOS=linux
-        - TARGETARCH=arm64
       username: nathan
       password:
         from_secret: registry_password
@@ -100,11 +107,8 @@ steps:
     settings:
       registry: registry.coadcorp.com
       repo: "registry.coadcorp.com/nathan/invertergui"
-      dockerfile: Dockerfile
+      dockerfile: Dockerfile.publish.amd64
       platform: "linux/amd64"
-      build_args:
-        - TARGETOS=linux
-        - TARGETARCH=amd64
       username: nathan
       password:
         from_secret: registry_password
@@ -122,11 +126,8 @@ steps:
     settings:
       registry: registry.coadcorp.com
       repo: "registry.coadcorp.com/nathan/invertergui"
-      dockerfile: Dockerfile
+      dockerfile: Dockerfile.publish.arm64
       platform: "linux/arm64"
-      build_args:
-        - TARGETOS=linux
-        - TARGETARCH=arm64
       username: nathan
       password:
         from_secret: registry_password
@@ -163,11 +164,8 @@ steps:
     settings:
       registry: registry.coadcorp.com
       repo: "registry.coadcorp.com/nathan/invertergui"
-      dockerfile: Dockerfile
+      dockerfile: Dockerfile.publish.amd64
       platform: "linux/amd64"
-      build_args:
-        - TARGETOS=linux
-        - TARGETARCH=amd64
       username: nathan
       password:
         from_secret: registry_password
@@ -182,11 +180,8 @@ steps:
     settings:
       registry: registry.coadcorp.com
       repo: "registry.coadcorp.com/nathan/invertergui"
-      dockerfile: Dockerfile
+      dockerfile: Dockerfile.publish.arm64
       platform: "linux/arm64"
-      build_args:
-        - TARGETOS=linux
-        - TARGETARCH=arm64
       username: nathan
       password:
         from_secret: registry_password

Dockerfile.publish.amd64

@@ -0,0 +1,8 @@
+FROM scratch
+
+# Group ID 20 is dialout, needed for tty read/write access
+USER 3000:20
+ENV READ_ONLY=false
+COPY dist/invertergui-linux-amd64 /bin/invertergui
+ENTRYPOINT ["/bin/invertergui"]
+EXPOSE 8080

Dockerfile.publish.arm64

@@ -0,0 +1,8 @@
+FROM scratch
+
+# Group ID 20 is dialout, needed for tty read/write access
+USER 3000:20
+ENV READ_ONLY=false
+COPY dist/invertergui-linux-arm64 /bin/invertergui
+ENTRYPOINT ["/bin/invertergui"]
+EXPOSE 8080