Increase possible caching on docker file creation

Dockerfile

@@ -32,6 +32,10 @@ ENV PATH="$VIRTUAL_ENV/bin:$PATH"
 
 RUN python3 -m pip install --no-cache-dir --upgrade pip setuptools wheel
 
+# Install craftbeerpi requirements for better caching
+COPY --chown=craftbeerpi ./requirements.txt /cbpi-src/
+RUN pip3 install --no-cache-dir -r /cbpi-src/requirements.txt
+
 # Install craftbeerpi from source
 COPY --chown=craftbeerpi . /cbpi-src
 RUN pip3 install --no-cache-dir /cbpi-src

requirements.txt

@@ -13,6 +13,10 @@ pyfiglet==0.8.post1
 pandas==1.1.5
 shortuuid==1.0.1
 tabulate==0.8.7
+numpy==1.20.3
 cbpi4ui
-click
-asyncio-mqtt
+click==7.1.2
+importlib_metadata==4.8.2
+asyncio-mqtt
+psutil==5.8.0
+zipp>=0.5