added rpm to goreleaser

.goreleaser.yaml

@@ -0,0 +1,59 @@
+env:
+  - DOCKER_REGISTRY={{ if index .Env "DOCKER_REGISTRY"  }}{{ .Env.DOCKER_REGISTRY }}{{ else }}localrepo{{ end }}
+before:
+  hooks:
+    - go mod tidy
+builds:
+  - env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+    main: ./cmd/steward/main.go
+    binary: steward
+checksum:
+  name_template: "checksums.txt"
+snapshot:
+  name_template: "{{ incpatch .Version }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - "^docs:"
+      - "^test:"
+dockers:
+  - use: buildx
+    dockerfile: Dockerfile_release
+    goos: linux
+    goarch: amd64
+    image_templates:
+      - "{{ .Env.DOCKER_REGISTRY }}/{{ .ProjectName }}:{{ .Version }}-amd64"
+      - "{{ .Env.DOCKER_REGISTRY }}/{{ .ProjectName }}:latest"
+    build_flag_templates:
+      - "--platform=linux/amd64"
+      - "--label=org.opencontainers.image.created={{.Date}}"
+      - "--label=org.opencontainers.image.title={{.ProjectName}}"
+      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+nfpms:
+  - vendor: Raa Labs AS
+    homepage: https://github.com/raalabs/steward
+    maintainer: Bjørn Tore Svinningen <postmannen@gmail.com>
+    description: |-
+      Infrastructure controller.
+    license: MIT
+    formats:
+      - rpm
+    bindir: /usr/local/steward/
+    contents:
+      - src: LICENSE
+        dst: /usr/share/doc/steward/LICENSE
+        file_info:
+          owner: root
+          group: root
+          mode: 0644
+      - src: README.md
+        dst: /usr/share/doc/steward/README.md
+        file_info:
+          owner: root
+          group: root
+          mode: 0644