diff --git a/root/app/dispatcher.sh b/root/app/dispatcher.sh
index def3788..9c71733 100644
--- a/root/app/dispatcher.sh
+++ b/root/app/dispatcher.sh
@@ -2,10 +2,14 @@
 
 . /config/.env
 
-TODAY=$(date +%Y-%m-%d)
-INDEX_PREFIX=${INDEX_PREFIX:-diskover-}
-INDEX_NAME=${INDEX_NAME:-$INDEX_PREFIX$TODAY}
-DISKOVER_OPTS=${DISKOVER_OPTS:-"-d /data -a -i $INDEX_NAME"}
+# define array for input values
+declare -A DISKOVER_ARRAY
+DISKOVER_ARRAY[TODAY]=$(date +%Y-%m-%d)
+DISKOVER_ARRAY[INDEX_PREFIX]=${INDEX_PREFIX:-diskover-}
+DISKOVER_ARRAY[INDEX_NAME]=${INDEX_NAME:-$INDEX_PREFIX$TODAY}
+DISKOVER_ARRAY[DISKOVER_OPTS]=${DISKOVER_OPTS:-"-d /data -a"}
+
+DISKOVER_OPTS="$DISKOVER_OPTS -i $INDEX_NAME"
 
 cd /app/diskover || exit
 
@@ -27,8 +31,8 @@ echo "killing dangling workers..."
 /bin/bash /app/diskover/diskover-bot-launcher.sh -k > /dev/null 2>&1
 sleep 3
 
-echo "starting workers with following options: $WORKER_OPTS"
-/bin/bash /app/diskover/diskover-bot-launcher.sh $WORKER_OPTS
+echo "starting workers with following options: ${DISKOVER_ARRAY[WORKER_OPTS]}"
+/bin/bash /app/diskover/diskover-bot-launcher.sh ${DISKOVER_ARRAY[WORKER_OPTS]}
 
-echo "starting crawler with following options: $DISKOVER_OPTS"
-/usr/bin/python3 ./diskover.py $DISKOVER_OPTS
+echo "starting crawler with following options: ${DISKOVER_ARRAY[DISKOVER_OPTS]}"
+/usr/bin/python3 ./diskover.py ${DISKOVER_ARRAY[DISKOVER_OPTS]}
diff --git a/root/etc/cont-init.d/30-diskover-config b/root/etc/cont-init.d/50-diskover-config
similarity index 50%
rename from root/etc/cont-init.d/30-diskover-config
rename to root/etc/cont-init.d/50-diskover-config
index 23f8ea0..2c4bb1d 100644
--- a/root/etc/cont-init.d/30-diskover-config
+++ b/root/etc/cont-init.d/50-diskover-config
@@ -1,21 +1,25 @@
 #!/usr/bin/with-contenv bash
 
 # set default values for variables
-REDIS_HOST=${REDIS_HOST:-redis}
-REDIS_PORT=${REDIS_PORT:-6379}
-ES_HOST=${ES_HOST:-elasticsearch}
-ES_PORT=${ES_PORT:-9200}
-ES_USER=${ES_USER:-elastic}
-ES_PASS=${ES_PASS:-changeme}
+declare -A DISKOVER_CONF
+DISKOVER_CONF[REDIS_HOST]=${REDIS_HOST:-redis}
+DISKOVER_CONF[REDIS_PORT]=${REDIS_PORT:-6379}
+DISKOVER_CONF[ES_HOST]=${ES_HOST:-elasticsearch}
+DISKOVER_CONF[ES_PORT]=${ES_PORT:-9200}
+DISKOVER_CONF[ES_USER]=${ES_USER:-elastic}
+DISKOVER_CONF[ES_PASS]=${ES_PASS:-changeme}
+DISKOVER_CONF[RUN_ON_START]=${RUN_ON_START:-false}
+DISKOVER_CONF[USE_CRON]=${USE_CRON:-false}
 
 # persist env variables
 if [ ! -f "/config/.env" ]; then
-	echo "export REDIS_HOST="$REDIS_HOST"
-export REDIS_PORT="$REDIS_PORT"
-export ES_HOST="$ES_HOST"
-export ES_PORT="$ES_PORT"
-export ES_USER="$ES_USER"
-export ES_PASS="$ES_PASS"" > /config/.env
+	# sed in values or skip if value not set
+	for KEY in "${!DISKOVER_CONF[@]}"; do \
+	if [[ ${DISKOVER_CONF[$KEY]} == "" ]]; then \
+	:
+	else echo "export $KEY=${DISKOVER_CONF[$KEY]}" >> /config/.env
+	fi
+	done
 fi
 
 if [ ! -f "/etc/profile.d/diskover.sh" ]; then
@@ -28,12 +32,12 @@ mkdir -p \
 
 if [ ! -f "/config/diskover.cfg" ]; then
 	mv /defaults/diskover.cfg /config/diskover.cfg
-	sed -i 's|{{REDIS_HOST}}|'$REDIS_HOST'|g' /config/diskover.cfg
-	sed -i 's|{{REDIS_PORT}}|'$REDIS_PORT'|g' /config/diskover.cfg
-	sed -i 's|{{ES_HOST}}|'$ES_HOST'|g' /config/diskover.cfg
-	sed -i 's|{{ES_PORT}}|'$ES_PORT'|g' /config/diskover.cfg
-	sed -i 's|{{ES_USER}}|'$ES_USER'|g' /config/diskover.cfg
-	sed -i 's|{{ES_PASS}}|'$ES_PASS'|g' /config/diskover.cfg
+	for KEY in "${!DISKOVER_CONF[@]}"; do \
+	if [[ ${DISKOVER_CONF[$KEY]} == "" ]]; then \
+	:
+	else sed -i 's|{{'$KEY'}}|'${DISKOVER_CONF[$KEY]}'|g' /config/diskover.cfg
+	fi
+	done
 fi
 
 if [ ! -f "/app/diskover/diskover.cfg" ]; then
@@ -46,7 +50,7 @@ fi
 
 # import user crontabs
 rm /etc/crontabs/*
-if [ $USE_CRON ]; then
+if [ ${DISKOVER_CONF[USE_CRON]} == true ]; then
 	cp /config/crontabs/* /etc/crontabs/
 fi
 
@@ -57,13 +61,11 @@ chown -R abc:abc \
 	/app/diskover \
 	/config
 
-# sleep to allow time for elasticsearch to start
-cd /app/diskover || exit
-
 # run initial retrieval
-if [ $RUN_ON_START ]; then
-	sleep 10
+if [ ${DISKOVER_CONF[RUN_ON_START]} == true ]; then
 	echo "Initial run of dispatcher in progress"
+	# sleep to allow time for elasticsearch to start
+	sleep 10
 	exec \
 		s6-setuidgid abc /app/dispatcher.sh >> /config/log/diskover/dispatcher.log 2>&1 &
 fi
diff --git a/root/etc/cont-init.d/31-diskover-web-config b/root/etc/cont-init.d/60-diskover-web-config
similarity index 75%
rename from root/etc/cont-init.d/31-diskover-web-config
rename to root/etc/cont-init.d/60-diskover-web-config
index 49c85e6..9d31663 100644
--- a/root/etc/cont-init.d/31-diskover-web-config
+++ b/root/etc/cont-init.d/60-diskover-web-config
@@ -6,17 +6,18 @@ if [ $DISABLE_WEB ]; then
 fi
 
 # set default values for variables
-ES_HOST=${ES_HOST:-elasticsearch}
-ES_PORT=${ES_PORT:-9200}
-ES_USER=${ES_USER:-elastic}
-ES_PASS=${ES_PASS:-changeme}
+declare -A WEB_CONF
+WEB_CONF[ES_HOST]=${ES_HOST:-elasticsearch}
+WEB_CONF[ES_PORT]=${ES_PORT:-9200}
+WEB_CONF[ES_USER]=${ES_USER:-elastic}
+WEB_CONF[ES_PASS]=${ES_PASS:-changeme}
 
 if [ ! -f "/config/Constants.php" ]; then
 	cp /app/diskover-web/src/diskover/Constants.php.sample /config/Constants.php
-	sed -i "s|ES_HOST = 'localhost'|ES_HOST = '"$ES_HOST"'|g" /config/Constants.php
-	sed -i "s|ES_PORT = 9200|ES_PORT = "$ES_PORT"|g" /config/Constants.php
-	sed -i "s|ES_USER = ''|ES_USER = '"$ES_USER"'|g" /config/Constants.php
-	sed -i "s|ES_PASS = ''|ES_PASS = '"$ES_PASS"'|g" /config/Constants.php
+	sed -i "s|ES_HOST = 'localhost'|ES_HOST = '"${WEB_CONF[ES_HOST]}"'|g" /config/Constants.php
+	sed -i "s|ES_PORT = 9200|ES_PORT = "${WEB_CONF[ES_PORT]}"|g" /config/Constants.php
+	sed -i "s|ES_USER = ''|ES_USER = '"${WEB_CONF[ES_USER]}"'|g" /config/Constants.php
+	sed -i "s|ES_PASS = ''|ES_PASS = '"${WEB_CONF[ES_PASS]}"'|g" /config/Constants.php
 	sed -i "s|ENABLE_SOCKET_CLIENT = FALSE|ENABLE_SOCKET_CLIENT = true|g" /config/Constants.php
 	sed -i "s|SOCKET_LISTENER_HOST = '127.0.0.1'|SOCKET_LISTENER_HOST = 'diskover'|g" /config/Constants.php
 fi
diff --git a/root/etc/services.d/rq-dashboard/run b/root/etc/services.d/rq-dashboard/run
index f611f47..a30104a 100644
--- a/root/etc/services.d/rq-dashboard/run
+++ b/root/etc/services.d/rq-dashboard/run
@@ -1,7 +1,8 @@
 #!/usr/bin/with-contenv bash
 
-REDIS_HOST=${REDIS_HOST:-redis}
-REDIS_PORT=${REDIS_PORT:-6379}
+declare -A REDIS_CONF
+REDIS_CONF[REDIS_HOST]=${REDIS_HOST:-redis}
+REDIS_CONF[REDIS_PORT]=${REDIS_PORT:-6379}
 
 exec \
-	s6-setuidgid abc /usr/bin/rq-dashboard -H $REDIS_HOST -P $REDIS_PORT
+	s6-setuidgid abc /usr/bin/rq-dashboard -H ${REDIS_CONF[REDIS_HOST]} -P ${REDIS_CONF[REDIS_PORT]}