python env at /opt/certbox fixes the issue.

Author: LePresidente

Dockerfile

@@ -128,10 +128,9 @@ COPY rootfs/ /
 COPY --from=nginx /tmp/openresty-install/ /
 COPY --from=npm /tmp/nginx-proxy-manager-install/ /
 COPY --from=bcrypt-tool /tmp/go/bin/bcrypt-tool /usr/bin/
-COPY --from=certbot /tmp/certbot-install/ /opt/certbot
-RUN curl -L 'https://bootstrap.pypa.io/get-pip.py' | python3 \
-	&& python3 -m venv /opt/certbot/ \
-	&& ln -s /opt/certbot/bin/certbot /usr/bin/certbot
+COPY --from=certbot /tmp/certbot-install/ /
+RUN mkdir -p /opt/certbot/ \
+    && python3 -m venv /opt/certbot/
 COPY --from=cs-openresty-bouncer /tmp/crowdsec-openresty-bouncer-install/ /
 
 # Set internal environment variables.