Faster local builds with base image and buildkit and run all unit tests

apps/cic-ussd/docker/Dockerfile

@@ -1,14 +1,5 @@
-# FROM python:3.8.5-alpine
-FROM python:3.8.6-slim-buster
-
-# set working directory
-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'
-
-RUN apt-get update && \
-	apt install -y gcc gnupg libpq-dev wget make g++ gnupg bash procps git
+# syntax = docker/dockerfile:1.2
+FROM registry.gitlab.com/grassrootseconomics/cic-base-images:python-3.8.6-dev-55da5f4e as dev
 
 # create secrets directory
 RUN mkdir -vp pgp/keys
@@ -17,39 +8,25 @@ RUN mkdir -vp pgp/keys
 RUN mkdir -vp cic-ussd
 RUN mkdir -vp data
 
-COPY cic-ussd/setup.cfg \
-     cic-ussd/setup.py \
-     cic-ussd/
+ARG EXTRA_INDEX_URL="https://pip.grassrootseconomics.net:8433"
+ARG GITLAB_PYTHON_REGISTRY="https://gitlab.com/api/v4/projects/27624814/packages/pypi/simple"
+COPY requirements.txt .
 
-COPY cic-ussd/requirements.txt \
-     cic-ussd/test_requirements.txt \
-     cic-ussd/
+RUN --mount=type=cache,mode=0755,target=/root/.cache/pip \
+    pip install --index-url https://pypi.org/simple  \
+	  --extra-index-url $GITLAB_PYTHON_REGISTRY --extra-index-url $EXTRA_INDEX_URL \
+    -r requirements.txt
 
-# install requirements
-RUN cd cic-ussd && \
-    pip install -r requirements.txt $pip_extra_index_url_flag
+COPY . .
+RUN python setup.py install
 
-# copy all necessary files
-COPY cic-ussd/cic_ussd/ cic-ussd/cic_ussd/
-COPY cic-ussd/cic_ussd/db/ussd_menu.json data/
-COPY cic-ussd/scripts/ cic-ussd/scripts/
-COPY cic-ussd/states/ cic-ussd/states/
-COPY cic-ussd/transitions/ cic-ussd/transitions/
-COPY cic-ussd/var/ cic-ussd/var/
-
-COPY cic-ussd/docker/db.sh \
-     cic-ussd/docker/start_cic_user_tasker.sh \
-     cic-ussd/docker/start_cic_user_ussd_server.sh\
-     cic-ussd/docker/start_cic_user_server.sh\
-     /root/
+COPY cic_ussd/db/ussd_menu.json data/
 
+COPY docker/*.sh .
 RUN chmod +x /root/*.sh
-RUN cd cic-ussd && \
-    pip install $pip_extra_index_url_flag .
-
 
 # copy config and migration files to definitive file so they can be referenced in path definitions for running scripts
-COPY cic-ussd/.config/ /usr/local/etc/cic-ussd/
-COPY cic-ussd/cic_ussd/db/migrations/ /usr/local/share/cic-ussd/alembic
+COPY .config/ /usr/local/etc/cic-ussd/
+COPY cic_ussd/db/migrations/ /usr/local/share/cic-ussd/alembic
 
-WORKDIR /root
+ENTRYPOINT []