HOT-FIX: conserta erro em lib cariocffi

Dockerfile

@@ -3,7 +3,7 @@ FROM alpine:3.10
 ENV BUILD_PACKAGES postgresql-dev graphviz-dev graphviz build-base git pkgconfig \
                    python3-dev libxml2-dev jpeg-dev libressl-dev libffi-dev libxslt-dev \
                    nodejs py3-lxml py3-magic postgresql-client poppler-utils antiword \
-                   curl jq openssh-client vim bash postgresql-client
+                   curl jq openssh-client vim bash postgresql-client cairo-dev
 
 RUN apk update --update-cache && apk upgrade
 
@@ -13,6 +13,7 @@ RUN apk add --no-cache python3 nginx tzdata && \
     python3 -m ensurepip && \
     rm -r /usr/lib/python*/ensurepip && \
     pip3 install --upgrade pip setuptools && \
+    pip3 install wheel && \
     rm -r /root/.cache && \
     rm -f /etc/nginx/conf.d/*
 

requirements/requirements.txt

@@ -24,7 +24,7 @@ pytz==2019.3
 rtyaml==0.0.5
 python-magic==0.4.15
 unipath==1.1
-WeasyPrint==44
+WeasyPrint==50
 Pillow==6.2.0
 gunicorn==19.9.0