added docker file and build script to auto-install plugin on docker image build

Author: alvinjohnsonso

.gitignore

@@ -0,0 +1 @@
+docker/bin

docker/Dockerfile

@@ -0,0 +1,5 @@
+ARG DRUPAL_IMAGE_VERSION
+
+FROM drupal:${DRUPAL_IMAGE_VERSION}
+
+COPY --chown=www-data:www-data ./bin/tawkto /opt/drupal/web/modules/tawkto

docker/build.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+set -e;
+
+build_dir=$(dirname $0);
+module_dir=$build_dir/bin/tawkto;
+
+if [ -d "$module_dir" ]; then
+	echo "Removing existing module folder";
+	rm -r $module_dir;
+fi
+
+echo "Creating module folder";
+mkdir -p $module_dir;
+
+echo "Copying files to module folder";
+cp -r $build_dir/../tawk_to/* $module_dir
+
+echo "Done building module folder";
+
+echo "Building docker image"
+if [ -z $1 ]; then
+	docker-compose build;
+else
+	docker-compose --env-file $1 build;
+fi

docker/docker-compose.yml

@@ -12,13 +12,16 @@ services:
       MYSQL_PASSWORD: drupal
 
   drupal:
+    build:
+      context: .
+      args:
+        DRUPAL_IMAGE_VERSION: ${DRUPAL_IMAGE_VERSION}
     depends_on:
       - db
-    image: drupal:${DRUPAL_IMAGE_VERSION}
     ports:
       - 8000:80
     volumes:
-      - web_data:/var/www/html
+      - web_data:/opt/drupal
 volumes:
   db_data:
   web_data: