Replace ubuntu with debian

Signed-off-by: Eric Riggs <ericriggs42@gmail.com>

docker/Dockerfile

@@ -4,13 +4,13 @@
 # Base image start #
 ####################
 
-FROM ubuntu:16.04 as BASE_IMAGE
+FROM debian:9.4-slim as BASE_IMAGE
 
 MAINTAINER Roberto Rosario "roberto.rosario@mayan-edms.com"
 
 ENV DEBIAN_FRONTEND noninteractive
 ENV PYTHONUNBUFFERED 1
-ENV LANG en_US.UTF-8
+ENV LANG C.UTF-8
 ENV PROJECT_INSTALL_DIR=/usr/local/lib/python2.7/dist-packages/mayan
 
 ARG APT_PROXY
@@ -20,23 +20,19 @@ RUN if [ "${APT_PROXY}" ]; then echo "Acquire::http { Proxy \"http://${APT_PROXY
 # Install base Ubuntu libraries
 RUN apt-get update && \
 apt-get install -y --no-install-recommends \
-        curl \
         g++ \
         gcc \
-        gettext-base \
         ghostscript \
         gpgv \
         graphviz \
         libffi-dev \
         libjpeg-dev \
         libmagic1 \
-        libmysqlclient-dev \
+        default-libmysqlclient-dev \
         libpng-dev \
         libpq-dev \
         libreoffice \
         libtiff-dev \
-        locales \
-        netcat-openbsd \
         poppler-utils \
         python-dev \
         python-pip \
@@ -52,12 +48,6 @@ apt-get autoremove --purge -y && \
 rm -rf /var/lib/apt/lists/* && \
 rm -f /var/cache/apt/archives/*.deb
 
-# Switch to UTF locale
-RUN echo "LC_ALL=\"en_US.UTF-8\"" >> /etc/default/locale && \
-locale-gen en_US.UTF-8 && \
-update-locale LANG=en_US.UTF-8 && \
-export LC_ALL=en_US.UTF-8
-
 # Install apt-get-install
 ADD https://raw.githubusercontent.com/guilhem/apt-get-install/master/apt-get-install /usr/bin/
 RUN chmod +x /usr/bin/apt-get-install
@@ -77,14 +67,16 @@ ln -s /usr/lib/aarch64-linux-gnu/libjpeg.so /usr/lib/ \
 # Build image start #
 #####################
 
-FROM python:2-alpine3.7 as BUILDER_IMAGE
+FROM debian:9.4-slim as BUILDER_IMAGE
+
+# Package caching
+RUN if [ "${APT_PROXY}" ]; then echo "Acquire::http { Proxy \"http://${APT_PROXY}\"; };" > /etc/apt/apt.conf.d/01proxy; fi
 
 WORKDIR /code
 
 COPY . /code
 
-RUN apk update && \
-    apk add make
+RUN apt-get update && apt-get install make python-dev python-pip -y 
 
 RUN pip install -r requirements/build.txt
 
@@ -129,10 +121,6 @@ COPY docker/entrypoint.sh /usr/local/bin/
 RUN ln -s usr/local/bin/entrypoint.sh / # backwards compat
 ENTRYPOINT ["entrypoint.sh"]
 
-# Healthcheck setup
-HEALTHCHECK --interval=15s --timeout=1s --retries=20 \
-  CMD curl -s -f http://localhost/authentication/login/ | grep 'form' > /dev/null || exit 1
-
 EXPOSE 8000
 CMD ["mayan"]