added httpd foreground script

Dockerfile

@@ -4,7 +4,7 @@ RUN echo "http://dl-cdn.alpinelinux.org/alpine/v3.10/community" >> /etc/apk/repo
 
 # install required packages
 #RUN apk add --no-cache gcc libc-dev libffi-dev openssl openssl-dev python3-dev
-RUN apk add --no-cache openrc apache2 apache2-utils apache2-webdav mod_dav_svn subversion
+RUN apk add --no-cache apache2 apache2-utils apache2-webdav mod_dav_svn subversion
 
 # add user that will be used to install and run the application
 RUN addgroup -g 1000 deploy
@@ -20,7 +20,6 @@ RUN chown deploy:deploy /var/lib/dav/
 # apache should run as user deploy
 RUN sed -i.bak -r 's/(User|Group) apache/\1 deploy/' /etc/apache2/httpd.conf
 
-RUN openrc
-RUN touch /run/openrc/softlevel
-RUN rc-update add apache2
-RUN rc-service apache2 restart
+# copy the script to run httpd in foreground
+COPY httpd-foreground /usr/local/bin/
+CMD ["httpd-foreground"]

httpd-foreground

@@ -0,0 +1,7 @@
+#!/bin/sh
+set -e
+
+# Apache gets grumpy about PID files pre-existing
+rm -f /usr/local/apache2/logs/httpd.pid
+
+exec httpd -DFOREGROUND "$@"