From a9af18203b07b9bcbe1cb1736ef88e4552464e81 Mon Sep 17 00:00:00 2001
From: Tomas Janousek <tomi@nomi.cz>
Date: Tue, 25 Aug 2020 00:48:58 +0200
Subject: [PATCH] tests: Fix build of psutil (required by pytest-xdist 2.0)

https://github.com/pytest-dev/pytest-xdist/commit/77e5fdfef9abf1526b51699368c9a79d4da61155
---
 Dockerfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Dockerfile b/Dockerfile
index e581842..7783178 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -49,6 +49,7 @@ FROM build AS build-pip
 # coverage needs to build a C extensions, otherwise it's slow
 RUN apk add --no-cache \
     gcc \
+    linux-headers \
     musl-dev
 RUN pip install --root=/opt/pip-root \
     coverage \