Docs: Fix incomplete instructions for building using docker
Fixes:
@@ -106,7 +106,7 @@ You can build an image from this `Dockerfile`:
FROM golang
RUN apt-get update && \
- apt-get install btrfs-tools
+ apt-get install -y btrfs-tools libseccomp-dev
```
Let's suppose that you built an image called `containerd/build`. From the
