Add Homebrew tap (#236)

Author: lucacome

.github/release-drafter.yml

@@ -70,6 +70,7 @@ template: |
 
   - Use the $RESOLVED_VERSION image from our [DockerHub](https://hub.docker.com/r/nginx/nginx-prometheus-exporter/tags?page=1&ordering=last_updated&name=$RESOLVED_VERSION), [GitHub Container](https://github.com/nginxinc/nginx-prometheus-exporter/pkgs/container/nginx-prometheus-exporter) or [Amazon ECR Public Gallery](https://gallery.ecr.aws/nginx/nginx-prometheus-exporter)
   - Download the latest binaries from [GitHub releases page](https://github.com/nginxinc/nginx-prometheus-exporter/releases/tag/v$RESOLVED_VERSION).
+  - Update to the latest version with `brew upgrade nginx-prometheus-exporter`.
 
   ## Compatibility
 

.goreleaser.yml

@@ -33,3 +33,16 @@ checksum:
   name_template: 'sha256sums.txt'
 changelog:
   skip: true
+brews:
+  - tap:
+      owner: nginxinc
+      name: homebrew-tap
+    folder: Formula
+    homepage: https://www.nginx.com/
+    description: NGINX Prometheus Exporter for NGINX and NGINX Plus
+    license: Apache-2.0
+    install: |
+      bin.install "nginx-prometheus-exporter"
+    commit_author:
+      name: nginx-bot
+      email: kubernetes@nginx.com

Makefile

@@ -17,7 +17,7 @@ nginx-prometheus-exporter:
 .PHONY: build-goreleaser
 build-goreleaser: ## Build all binaries using GoReleaser
 	@goreleaser -v || (code=$$?; printf "\033[0;31mError\033[0m: there was a problem with GoReleaser. Follow the docs to install it https://goreleaser.com/install\n"; exit $$code)
-	GOPATH=$(shell go env GOPATH) goreleaser build --rm-dist --debug --snapshot
+	GOPATH=$(shell go env GOPATH) goreleaser build --rm-dist --snapshot
 
 .PHONY: lint
 lint:

README.md

@@ -253,10 +253,24 @@ The exporter logs errors to the standard output. When using Docker, if the expor
 
 ## Releases
 
-For each release, we publish the corresponding Docker image on [DockerHub](https://hub.docker.com/r/nginx/nginx-prometheus-exporter/), [GitHub Container](https://github.com/nginxinc/nginx-prometheus-exporter/pkgs/container/nginx-prometheus-exporter) and [Amazon ECR Public Gallery](https://gallery.ecr.aws/nginx/nginx-prometheus-exporter). We publish the binaries on the GitHub [releases page](https://github.com/nginxinc/nginx-prometheus-exporter/releases).
+### Docker images
+We publish the Docker image on [DockerHub](https://hub.docker.com/r/nginx/nginx-prometheus-exporter/), [GitHub Container](https://github.com/nginxinc/nginx-prometheus-exporter/pkgs/container/nginx-prometheus-exporter) and [Amazon ECR Public Gallery](https://gallery.ecr.aws/nginx/nginx-prometheus-exporter).
 
 As an alternative, you can choose the *edge* version built from the [latest commit](https://github.com/nginxinc/nginx-prometheus-exporter/commits/master) from the master branch. The edge version is useful for experimenting with new features that are not yet published in a stable release.
 
+### Binaries
+We publish the binaries for multiple Operating Systems and architectures on the GitHub [releases page](https://github.com/nginxinc/nginx-prometheus-exporter/releases).
+
+### Homebrew
+You can add the NGINX homebrew tap with
+```
+$ brew tap nginxinc/tap
+```
+and then install the formula with
+```
+$ brew install nginx-prometheus-exporter
+```
+
 ## Building the Exporter
 
 You can build the exporter using the provided Makefile. Before building the exporter, make sure the following software is installed on your machine: