Finally get run.sh working properly

Dockerfile

@@ -1,6 +1,5 @@
 FROM python:3.12-alpine
-WORKDIR /etc/nginx
 RUN pip install certbot certbot-nginx --no-cache-dir
 RUN apk add nginx --no-cache
-COPY run.sh /root
+ADD run.sh /root/run.sh
 CMD [ "/root/run.sh" ]

README.md

@@ -9,7 +9,7 @@
 Example `docker run`:
 
 ```bash
-docker run -d -e CERTBOT_DNS_PLUGIN=certbot-dns-cloudflare -v ./nginx-conf:/etc/nginx docker.askiiart.net/askiiart/certbot-nginx certbot --version
+docker run -d -v ./nginx-conf:/etc/nginx docker.askiiart.net/askiiart/certbot-nginx certbot --version
 ```
 
 Example `docker-compose.yml`:
@@ -19,8 +19,6 @@ version: '3.7'
 services:
   hugo:
     image: docker.askiiart.net/askiiart/certbot-nginx
-    environment:
-      - CERTBOT_DNS_PLUGIN=certbot-dns-cloudflare
     volumes:
       - ./nginx-conf:/etc/nginx
     command: certbot --version

run.sh

@@ -1,8 +1,8 @@
 #!/bin/sh
 if [ -z "$CERTBOT_DNS_PLUGIN" ]; then
-    echo "No DNS plugin set, continuing"
+    echo "No DNS plugin set, skipping"
 else
     pip install $CERTBOT_DNS_PLUGIN
 fi
 
-certbot $@
+sh -c $@