Install build-base

Dockerfile

@@ -3,6 +3,7 @@ FROM	registry:2
 COPY	requirements.txt /tmp
 
 RUN	apk --no-cache add \
+		build-base \
 		gcc \
 		libc-dev \
 		libffi-dev \
@@ -12,6 +13,7 @@ RUN	apk --no-cache add \
 	pip3 install --no-cache-dir --upgrade pip && \
 	pip3 install --no-cache-dir -r /tmp/requirements.txt && \
 	apk del \
+		build-base \
 		gcc \
 		libc-dev \
 		libffi-dev \