testing on debian based image

Dockerfile

@@ -1,16 +1,12 @@
-FROM python:3.8-alpine as build
-RUN apk add --no-cache \
-    build-base \
+FROM python:3.8-slim as build
+RUN apt-get update && apt-get install --no-install-recommends -y \
     gcc \
     gettext \
     git \
-    jpeg-dev \
     libffi-dev \
-    libjpeg \
-    musl-dev \
-    postgresql-dev \
+#    postgresql \
     python3-dev \
-    zlib-dev
+    libpq-dev
 RUN mkdir -p /app/{code,venv}
 WORKDIR /app/code
 COPY Pipfile Pipfile.lock /app/code/
@@ -20,7 +16,7 @@ ENV PATH="/app/venv/bin:$PATH" VIRTUAL_ENV="/app/venv"
 RUN pip install wheel cppy
 # Install dependencies into the virtual environment with Pipenv
 RUN pipenv install --deploy --verbose
-FROM python:3.8-alpine
+FROM python:3.8-slim
 RUN apk add --no-cache \
     cloud-utils \
     libjpeg \