feat: add support for custom klipper repo urls (#27)

.env.example

@@ -0,0 +1 @@
+KLIPPER_REPO=https://github.com/Klipper3d/klipper.git

.gitignore

@@ -1,2 +1,3 @@
 .idea
-/printer_data*
+.env
+/printer_data*

Dockerfile

@@ -26,7 +26,9 @@ WORKDIR /build
 
 ### Prepare our applications
 #### Klipper
-RUN git clone https://github.com/klipper3d/klipper \
+ARG KLIPPER_REPO
+ENV KLIPPER_REPO=${KLIPPER_REPO}
+RUN git clone ${KLIPPER_REPO} klipper \
     && virtualenv -p python3 /build/klippy-env \
     && /build/klippy-env/bin/pip install -r /build/klipper/scripts/klippy-requirements.txt
 

docker-compose.yml

@@ -5,6 +5,8 @@ services:
     build:
       context: .
       dockerfile: Dockerfile
+      args:
+        KLIPPER_REPO: ${KLIPPER_REPO:-https://github.com/Klipper3d/klipper.git}
     volumes:
       - ./printer_data:/home/printer/printer_data:delegated
     ports: