From bb8eb9ef989678a48740ed7283f8c2ba577a37e0 Mon Sep 17 00:00:00 2001
From: Prashant Varanasi <prashant@uber.com>
Date: Tue, 12 Apr 2016 09:46:08 -0700
Subject: [PATCH 1/2] Add perl to the Docker image

The flamegraph scripts are written in perl, so the image
requires perl to work.
---
 Dockerfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Dockerfile b/Dockerfile
index 2ec3534..39997b7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,7 @@ FROM golang:1.6-alpine
 ENV PATH $PATH:/opt/flamegraph
 
 RUN apk --update add git && \
+    apk add perl && \
     curl -OL https://github.com/Masterminds/glide/releases/download/0.10.1/glide-0.10.1-linux-amd64.tar.gz && \
     tar -xzf glide-0.10.1-linux-amd64.tar.gz && \
     mv linux-amd64/glide /usr/bin && \

From 328ffc18c60307bac8605f060242998ca59f80a7 Mon Sep 17 00:00:00 2001
From: Prashant Varanasi <prashant@uber.com>
Date: Tue, 12 Apr 2016 09:55:50 -0700
Subject: [PATCH 2/2] Update README for docker run

---
 README.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index d33a974..72e772b 100644
--- a/README.md
+++ b/README.md
@@ -86,9 +86,12 @@ $ go get github.com/uber/go-torch
 
 You can also use go-torch using docker:
 ```
-$ docker run uber/go-torch -h
+$ docker run uber/go-torch -u http://[address-of-host] -p > torch.svg
 ```
 
+Using `-p` will print the SVG to standard out, which can then be redirected
+to a file. This avoids mounting volumes to a container.
+
 ### Install the Go dependencies:
 
 ```