Fix goreleaser deprecation warnings

- archives.format → archives.formats (now a list)
- archives.builds → archives.ids (renamed for consistency)
- dockers → dockers_v2 (new consolidated docker config)
- Update Dockerfile to use TARGETPLATFORM build arg

https://claude.ai/code/session_01QqkHTjwoFvsNUXtQj3RaU8

.goreleaser.yaml

@@ -74,39 +74,43 @@ universal_binaries:
     name_template: jsontoml
 archives:
 - id: jsontoml
-  format: tar.xz
-  builds:
+  formats:
+    - tar.xz
+  ids:
     - jsontoml
   files:
   - none*
   name_template: "{{ .Binary }}_{{.Version}}_{{ .Os }}_{{ .Arch }}"
 - id: tomljson
-  format: tar.xz
-  builds:
+  formats:
+    - tar.xz
+  ids:
     - tomljson
   files:
   - none*
   name_template: "{{ .Binary }}_{{.Version}}_{{ .Os }}_{{ .Arch }}"
 - id: tomll
-  format: tar.xz
-  builds:
+  formats:
+    - tar.xz
+  ids:
     - tomll
   files:
   - none*
   name_template: "{{ .Binary }}_{{.Version}}_{{ .Os }}_{{ .Arch }}"
-dockers:
+dockers_v2:
   - id: tools
-    goos: linux
-    goarch: amd64
     ids:
       - jsontoml
       - tomljson
       - tomll
-    image_templates:
-      - "ghcr.io/pelletier/go-toml:latest"
-      - "ghcr.io/pelletier/go-toml:{{ .Tag }}"
-      - "ghcr.io/pelletier/go-toml:v{{ .Major }}"
-    skip_push: false
+    images:
+      - "ghcr.io/pelletier/go-toml"
+    tags:
+      - "latest"
+      - "{{ .Tag }}"
+      - "v{{ .Major }}"
+    platforms:
+      - linux/amd64
 checksum:
   name_template: 'sha256sums.txt'
 snapshot:

Dockerfile

@@ -1,5 +1,6 @@
 FROM scratch
 ENV PATH "$PATH:/bin"
-COPY tomll /bin/tomll
-COPY tomljson /bin/tomljson
-COPY jsontoml /bin/jsontoml
+ARG TARGETPLATFORM
+COPY $TARGETPLATFORM/tomll /bin/tomll
+COPY $TARGETPLATFORM/tomljson /bin/tomljson
+COPY $TARGETPLATFORM/jsontoml /bin/jsontoml