use the ubuntu slim image

apps/cic-ussd/docker/Dockerfile

@@ -1,4 +1,5 @@
-FROM python:3.8.5-alpine
+# FROM python:3.8.5-alpine
+FROM python:3.8.6-slim-buster
 
 # set working directory
 WORKDIR /usr/src
@@ -6,10 +7,8 @@ WORKDIR /usr/src
 # add args for installing from self-hosted packages
 ARG pip_extra_index_url_flag='--extra-index-url https://pip.grassrootseconomics.net:8433'
 
-# add alpine sys packages
-RUN apk update && \
-        apk add git linux-headers postgresql-dev gnupg bash
-RUN apk add --update musl-dev gcc libffi-dev
+RUN apt-get update && \
+	apt install -y gcc gnupg libpq-dev wget make g++ gnupg bash procps git
 
 # create secrets directory
 RUN mkdir -vp pgp/keys

apps/cic-ussd/requirements.txt

@@ -1,4 +1,3 @@
-cic-types==0.1.0a8
 alembic==1.4.2
 amqp==2.6.1
 attrs==20.2.0
@@ -7,10 +6,11 @@ betterpath==0.2.2
 billiard==3.6.3.0
 celery==4.4.7
 cffi==1.14.3
-cic-eth~=0.10.0a22
-cic-notify==0.3.1
+cic-eth~=0.10.0a41
+cic-notify~=0.4.0a3
+cic-types~=0.1.0a8
 click==7.1.2
-confini~=0.3.6a1
+confini~=0.3.6rc3
 cryptography==3.2.1
 faker==4.17.1
 iniconfig==1.1.1
@@ -44,4 +44,4 @@ transitions==0.8.4
 uWSGI==2.0.19.1
 vcversioner==2.16.0.0
 vine==1.3.0
-zope.interface==5.1.2
+zope.interface==5.1.2