use custom python image with requirements installed to speed up build time

.drone.yml

@@ -4,14 +4,14 @@ name: build_python_project
 
 steps:
 - name: build
-  #image: python:alpine
-  image: python:3.11-bullseye
+  #image: python:3.11-bullseye
+  image: git.broillet.ch/mathieu/python3.11-bullseye-buildessential:1.0 # python3.11-bullseye image with build-essential & patchelf (apt) and nuitka(pip) installed
   commands:
     - pip install -r requirements.txt
-    # - apk add build-base patchelf
-    - apt update -y
-    - apt install build-essential patchelf -y
-    - pip install nuitka
+    # - apk add build-base patchelf  # not needed with custom image
+    # - apt update -y  # not needed with custom image
+    # - apt install build-essential patchelf -y  # not needed with custom image
+    # - pip install nuitka # not needed with custom image
     - python -m nuitka --onefile run.py --include-data-dir=./resources=resources --output-filename="ProxmoxDeploy${DRONE_TAG##v}"
 - name: gitea_release
   image: plugins/gitea-release