Fix import issue

Also add some better dev env notes

README.md

@@ -6,6 +6,8 @@ It uses the Docker CLI and abuses the `--format {{}}` arg for output parsing.
 
 Currently translated to English, Italian and Polish. UI is responsive across all device sizes.
 
+If you're after a full Docker web interface you should consider https://www.portainer.io or https://yacht.sh.
+
 ## Install
 
 The fastest way to install is to follow the "Http URL" method (https://webmin.com/docs/modules/webmin-configuration/#installing) and use the latest release package using [https://github.com/dave-lang/webmin-docker/releases/latest/download/docker.wbm.gz](https://github.com/dave-lang/webmin-docker/releases/latest/download/docker.wbm.gz).
@@ -33,7 +35,9 @@ Docker configuration has been setup to allow easier development.
 
 This environment has Webmin and Docker already installed, along with a very basic Ubuntu 18 docker config ready to start in the container (Docker in Docker).
 
-The plugin is installed in the Webmin environment via shared folder, changes will appear immediately.
+The plugin is installed in the Webmin environment via shared folder, changes will appear immediately. This is done via:
+- Sharing the ./docker directory into webmin directory using Docker volume (see docker-compose.yml)
+- Adding the ACL permission for the module via the Dockerfile
 
 1. `cd tools`
 2. `docker-compose up -d` to run docker compose as daemon

docker/index.cgi

@@ -3,7 +3,7 @@ use strict;
 use warnings;
 use Data::Dumper;
 
-require 'docker-lib.pl';
+require './docker-lib.pl';
 
 ui_print_header(undef, &text('index_title'), "", undef, undef, 1);
 

tools/Dockerfile

@@ -34,6 +34,7 @@ RUN echo root:password | chpasswd && \
     apt-get install -y webmin && \
     apt-get clean && \
     echo "$(cat /etc/webmin/webmin.acl) docker" > /etc/webmin/webmin.acl
+# Last line adds docker module to webmin's acl, for easier development. Also requires the volume config
 
 EXPOSE 10000
 ENV LC_ALL C.UTF-8

tools/docker-compose.yml

@@ -7,7 +7,7 @@ services:
     build:
       context: ./
     volumes:
-      - ../docker:/usr/share/webmin/docker:rw
+      - ../docker:/usr/share/webmin/docker:rw # This also requires the ACL permission to load in Webmin, see dockerfile
       - ./dind:/home/dind:rw
     ports:
       - "10000:10000"