Changing the order and breaking commands so that the cache can be used when the code is updated (huge Docker build time gain when rebuilding after a code update).

Dockerfile

@@ -3,11 +3,16 @@ FROM python:3-alpine
 MAINTAINER Jeffrey Forman <code@jeffreyforman.net>
 
 WORKDIR /code
-COPY . /code/
 
 RUN apk add --no-cache nsd build-base python3-dev libffi-dev openssl-dev libc-dev libxslt-dev mariadb-connector-c-dev \
-  && pip install --upgrade pip \
-  && pip install --no-cache-dir -r requirements.txt
+  && pip install --upgrade pip
+
+COPY requirements.txt /code/
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . /code/
+
 
 EXPOSE 8000