avoiding git clone within the dockerfile

infra/testing/dockerfile

@@ -15,10 +15,9 @@ RUN apt-get update && \
     apt-get install -y git nano && \
     rm -rf /var/lib/apt/lists/*
 
-# Clone the project
-RUN git clone -b testing https://gitea.tryton.geeraert.eu/pi-ux-ce/Django_kube.git
 
-RUN cat Django_kube/requirements.txt
+# Copy only the requirements file first (Changes infrequently)
+COPY requirements.txt ./
 
 RUN pip install --cache-dir=/opt/hostedtoolcache/pip --upgrade pip 
 RUN pip list --cache-dir=/opt/hostedtoolcache/pip --outdated
@@ -26,6 +25,9 @@ RUN pip install --cache-dir=/opt/hostedtoolcache/pip --upgrade wheel
 RUN pip install --cache-dir=/opt/hostedtoolcache/pip --upgrade setuptools
 RUN pip install --cache-dir=/opt/hostedtoolcache/pip -r Django_kube/requirements.txt
 
+# Copy the rest of your application code (Changes frequently, invalidates subsequent cache)
+COPY . ./
+
 COPY infra/testing/entrypoint.sh /code/entrypoint.sh
 RUN chmod +x /code/entrypoint.sh