add instructions

Author: f2prateek

Makefile

@@ -1,11 +1,16 @@
 build:
 	go build -o bin/segment-proxy
 
+server:
+	go run main.go
+
 test:
-	go test -v -cover
+	go test -v -cover ./...
 
 docker:
-	docker build -t segment-proxy .
-	docker run --publish 6060:8080 --name segment-proxy --rm segment-proxy
+	docker build -t segment/proxy .
+
+docker-push:
+	docker push segment/proxy
 
-.PHONY: build test docker
+.PHONY: build server test docker docker-push

README.md

@@ -2,12 +2,34 @@
 
 Proxies requests to the Segment CDN and Tracking API.
 
-Available as a docker container that can be hosted by customers.
+# CLI
 
-# Why?
-
-For example, you could host this on your zero rated domain so users don't get charged network fees for analytics data.
+```
+Usage of proxy:
+  -debug
+        debug mode
+  -port string
+        bind address (default "8080")
+```
 
 # Usage
 
-Run `make docker`.
+### Via Source
+
+1. Clone the repo `git clone git@github.com:segmentio/segment-proxy.git`.
+2. Run `make build run`.
+
+### Via Golang
+
+1. Run `go get github.com/segmentio/segment-proxy`.
+2. Run `segment-proxy`.
+
+### Via prebuilt binaries.
+
+1. Run `wget https://github.com/segmentio/segment-proxy/releases/download/1.0.0/proxy`.
+2. Run `chmod +x proxy`.
+3. Run `./proxy`.
+
+### Via Docker
+
+1. Run `docker run segment/proxy`.