From 146e6ff6b881150cf49bc5b2009888ed31006a8d Mon Sep 17 00:00:00 2001
From: ducklet <ducklet@noreply.code.dumpr.org>
Date: Wed, 8 Dec 2021 22:59:43 +0100
Subject: [PATCH] fix docker build

SQLAlchemy 1.4 uses greenlet, which needs to be built from source on
Alpine.
---
 Dockerfile | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index c4f3a3e..7522a11 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,13 @@ WORKDIR /var/app
 
 COPY requirements.txt ./
 
-RUN pip install --no-cache-dir --upgrade --requirement requirements.txt
+# Required to build greenlet on Alpine, dependency of SQLAlchemy 1.4.
+RUN apk add --no-cache \
+        --virtual .build-deps \
+        g++ gcc musl-dev \
+    && pip install --no-cache-dir --upgrade \
+        --requirement requirements.txt \
+    && apk del .build-deps
 
 USER 10000:10001