fix: container DB race condition, feat: separate images for app & worker, chore: example compose & .env files

docker/Dockerfile.worker

@@ -0,0 +1,12 @@
+FROM registry.caldwell.digital/library/php:8.4-apache
+
+RUN apt-get update && \
+    apt-get install libldap2-dev -y && \
+    rm -rf /var/lib/apt/lists/* && \
+    docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu/ && \
+    docker-php-ext-install ldap
+
+COPY --chown=www-data:www-data . /var/www
+
+COPY ./bash/vhost.conf /etc/apache2/sites-enabled/vhost.conf
+RUN rm /etc/apache2/sites-enabled/000-default.conf