Dockerfile based on standard python image

Dockerfile

@@ -1,22 +1,15 @@
-FROM python:3.7.4-alpine
+FROM python:3
 
-RUN addgroup -g 1000 appuser && \
-    adduser -S  -u 1000 -g appuser appuser &&\
-    # Install git to get code, install build base to install needed libraries
-    apk add git --no-cache &&\
-    # Packages necessary for building C code from python (numpy, pandas, ...)
-    apk add build-base --no-cache &&\
-    # Packages necessary for pyproj (from the testing repository)
-    apk add proj proj-util proj-dev --repository=http://dl-3.alpinelinux.org/alpine/edge/testing/ --no-cache &&\
-    # switch to appuser home directory
+RUN addgroup -gid 1000 appuser && \
+    adduser -uid 1000 --ingroup appuser appuser &&\
     cd /home/appuser &&\
     git clone https://github.com/oSoc19/best &&\    
     cd best &&\
+    pip install --upgrade pip &&\
     pip install --no-cache-dir -r requirements.txt &&\
-    apk del git &&\
-    apk del build-base &&\
     # Give entire home folder to appuser
-    chown -R 1000:1000 /home/appuser
+    chown -R 1000:1000 /home/appuser &&\
+    echo done
 
 # You should always create a separate user for Dockerfiles!
  USER appuser