diff --git a/README.md b/README.md
index ecb631b..483978c 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ GLOBAL OPTIONS:
    --subnet value                 Subnet to launch task in (required for FARGATE). Can be specified multiple times
    --env KEY=value, -e KEY=value  An environment variable to add in the form KEY=value or `KEY` (shorthand for `KEY=$KEY` to pass through an env var from the current host). Can be specified multiple times
    --inherit-env, -E              Inherit all of the environment variables from the calling shell
+   --count value, -C value        Number of tasks to run (default: 1)
    --help, -h                     show help
    --version, -v                  print the version
 ```
diff --git a/main.go b/main.go
deleted file mode 100644
index 1ef513f..0000000
--- a/main.go
+++ /dev/null
@@ -1,131 +0,0 @@
-package main
-
-import (
-	"context"
-	"fmt"
-	"io/ioutil"
-	"log"
-	"os"
-
-	"github.com/buildkite/ecs-run-task/runner"
-	"github.com/urfave/cli"
-)
-
-var (
-	Version string
-)
-
-func main() {
-	app := cli.NewApp()
-	app.Name = "ecs-run-task"
-	app.Usage = "run a once-off task on ECS and tail the output from cloudwatch"
-	app.UsageText = "ecs-run-task [options] [command override]"
-	app.Version = Version
-
-	app.Flags = []cli.Flag{
-		cli.BoolFlag{
-			Name:  "debug",
-			Usage: "Show debugging information",
-		},
-		cli.StringFlag{
-			Name:  "file, f",
-			Usage: "Task definition file in JSON or YAML",
-		},
-		cli.StringFlag{
-			Name:  "name, n",
-			Usage: "Task name",
-		},
-		cli.StringFlag{
-			Name:  "cluster, c",
-			Value: "default",
-			Usage: "ECS cluster name",
-		},
-		cli.StringFlag{
-			Name:  "log-group, l",
-			Value: "ecs-task-runner",
-			Usage: "Cloudwatch Log Group Name to write logs to",
-		},
-		cli.StringFlag{
-			Name:  "service, s",
-			Value: "",
-			Usage: "service to replace cmd for",
-		},
-		cli.BoolFlag{
-			Name:  "fargate",
-			Usage: "Specified if task is to be run under FARGATE as opposed to EC2",
-		},
-		cli.StringSliceFlag{
-			Name:  "security-group",
-			Usage: "Security groups to launch task in (required for FARGATE). Can be specified multiple times",
-		},
-		cli.StringSliceFlag{
-			Name:  "subnet",
-			Usage: "Subnet to launch task in (required for FARGATE). Can be specified multiple times",
-		},
-		cli.StringSliceFlag{
-			Name:  "env, e",
-			Usage: "An environment variable to add in the form `KEY=value` or `KEY` (shorthand for `KEY=$KEY` to pass through an env var from the current host). Can be specified multiple times",
-		},
-		cli.BoolFlag{
-			Name:  "inherit-env, E",
-			Usage: "Inherit all of the environment variables from the calling shell",
-		},
-	}
-
-	app.Action = func(ctx *cli.Context) error {
-		requireFlagValue(ctx, "file")
-
-		if _, err := os.Stat(ctx.String("file")); err != nil {
-			return cli.NewExitError(err, 1)
-		}
-
-		if !ctx.Bool("debug") {
-			log.SetOutput(ioutil.Discard)
-		}
-
-		r := runner.New()
-		r.TaskDefinitionFile = ctx.String("file")
-		r.Cluster = ctx.String("cluster")
-		r.TaskName = ctx.String("name")
-		r.LogGroupName = ctx.String("log-group")
-		r.Fargate = ctx.Bool("fargate")
-		r.SecurityGroups = ctx.StringSlice("security-group")
-		r.Subnets = ctx.StringSlice("subnet")
-		r.Environment = ctx.StringSlice("env")
-
-		if ctx.Bool("inherit-env") {
-			for _, env := range os.Environ() {
-				r.Environment = append(r.Environment, env)
-			}
-		}
-
-		if args := ctx.Args(); len(args) > 0 {
-			r.Overrides = append(r.Overrides, runner.Override{
-				Service: ctx.String("service"),
-				Command: args,
-			})
-		}
-
-		if err := r.Run(context.Background()); err != nil {
-			if ec, ok := err.(cli.ExitCoder); ok {
-				return ec
-			}
-			fmt.Fprintln(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		return nil
-	}
-
-	err := app.Run(os.Args)
-	if err != nil {
-		fmt.Fprintln(os.Stderr, err.Error())
-		os.Exit(1)
-	}
-}
-
-func requireFlagValue(ctx *cli.Context, name string) {
-	if ctx.String(name) == "" {
-		fmt.Fprintf(os.Stderr, "ERROR: Required flag %q isn't set\n\n", name)
-		cli.ShowAppHelpAndExit(ctx, 1)
-	}
-}