diff --git a/compose/docker-compose.yml b/compose/docker-compose.yml
index 0b2e05e..08e1074 100644
--- a/compose/docker-compose.yml
+++ b/compose/docker-compose.yml
@@ -148,7 +148,7 @@ services:
     container_name: strfry${SUFFIX}
     restart: always
     volumes:
-      - ${STRFRY_SYNC}:/app/sync.sh:ro
+      - ${STRFRY_URLS}:/app/onion_urls.txt:ro
       - ${STRFRY_CONF}:/etc/strfry.conf:ro
       - ${STRFRY_DATA}/db:/app/strfry-db:rw
     network_mode: service:tor
diff --git a/compose/env-sample/lndtn/compose.env b/compose/env-sample/lndtn/compose.env
index aa22388..802227b 100644
--- a/compose/env-sample/lndtn/compose.env
+++ b/compose/env-sample/lndtn/compose.env
@@ -29,7 +29,7 @@ NGINX_CONFD='./nginx/tn.conf.d'
 WELLKNOWN='./nginx/tn.well-known'
 
 STRFRY_CONF='./env-sample/lndtn/strfry.conf'
-STRFRY_SYNC='./strfry/tn.sync.sh'
+STRFRY_URLS='./strfry/tn.onion_urls.txt'
 STRFRY_DATA='/custom_path/testnet/strfry'
 
 # Port and number of HTTP server workers for the robosats backend
diff --git a/compose/strfry/Dockerfile b/compose/strfry/Dockerfile
index 578d0f5..dd0612a 100644
--- a/compose/strfry/Dockerfile
+++ b/compose/strfry/Dockerfile
@@ -9,6 +9,7 @@ RUN echo "TorPort 9050" >> /etc/tor/torsocks.conf
 COPY crontab /tmp/crontab
 RUN cat /tmp/crontab > /etc/crontabs/root
 
+COPY sync.sh /etc/strfry/sync.sh
 COPY entrypoint.sh /etc/strfry/entrypoint.sh
 
 RUN chmod +x /etc/strfry/entrypoint.sh
diff --git a/compose/strfry/crontab b/compose/strfry/crontab
index ec45be6..71a96d9 100644
--- a/compose/strfry/crontab
+++ b/compose/strfry/crontab
@@ -21,4 +21,4 @@
 # For more information see the manual pages of crontab(5) and cron(8)
 #
 # m h  dom mon dow   command
-*/1 * * * * torsocks /app/sync.sh
+*/1 * * * * torsocks /etc/strfry/sync.sh
diff --git a/compose/strfry/mn.onion_urls.txt b/compose/strfry/mn.onion_urls.txt
new file mode 100644
index 0000000..2c81ddc
--- /dev/null
+++ b/compose/strfry/mn.onion_urls.txt
@@ -0,0 +1,4 @@
+testraliar7xkhos2gipv2k65obykofb4jqzl5l4danfryacifi4t7qd.onion
+jpp3w5tpxtyg6lifonisdszpriiapszzem4wod2zsdweyfenlsxeoxid.onion
+ghbtv7lhoyhomyir4xvxaeyqgx4ylxksia343jaat3njqqlkqpdjqcyd.onion
+wsjyhbashc4zrrex6vijpryujggbka5plry2o62dxqoz3pxinblnj4ad.onion
\ No newline at end of file
diff --git a/compose/strfry/mn.sync.sh b/compose/strfry/mn.sync.sh
deleted file mode 100644
index 2828f5c..0000000
--- a/compose/strfry/mn.sync.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/sh
-
-filters='{"kinds":[38383]}'
-
-/app/strfry --config /etc/strfry.conf sync ws://ngdk7ocdzmz5kzsysa3om6du7ycj2evxp2f2olfkyq37htx3gllwp2yd.onion/nostr --filter "$filters" --dir both
-/app/strfry --config /etc/strfry.conf sync ws://satstraoq35jffvkgpfoqld32nzw2siuvowanruindbfojowpwsjdgad.onion/nostr --filter "$filters" --dir both
-/app/strfry --config /etc/strfry.conf sync ws://4t4jxmivv6uqej6xzx2jx3fxh75gtt65v3szjoqmc4ugdlhipzdat6yd.onion/nostr --filter "$filters" --dir both
-/app/strfry --config /etc/strfry.conf sync ws://mmhaqzuirth5rx7gl24d4773lknltjhik57k7ahec5iefktezv4b3uid.onion/nostr --filter "$filters" --dir both
diff --git a/compose/strfry/sync.sh b/compose/strfry/sync.sh
new file mode 100644
index 0000000..338fb53
--- /dev/null
+++ b/compose/strfry/sync.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+filters='{"kinds":[38383]}'
+
+while IFS= read -r line; do
+  /app/strfry --config /etc/strfry.conf sync ws://${line}/nostr --filter "$filters" --dir both
+done < /app/onion_urls.txt
diff --git a/compose/strfry/tn.onion_urls.txt b/compose/strfry/tn.onion_urls.txt
new file mode 100644
index 0000000..2c81ddc
--- /dev/null
+++ b/compose/strfry/tn.onion_urls.txt
@@ -0,0 +1,4 @@
+testraliar7xkhos2gipv2k65obykofb4jqzl5l4danfryacifi4t7qd.onion
+jpp3w5tpxtyg6lifonisdszpriiapszzem4wod2zsdweyfenlsxeoxid.onion
+ghbtv7lhoyhomyir4xvxaeyqgx4ylxksia343jaat3njqqlkqpdjqcyd.onion
+wsjyhbashc4zrrex6vijpryujggbka5plry2o62dxqoz3pxinblnj4ad.onion
\ No newline at end of file
diff --git a/compose/strfry/tn.sync.sh b/compose/strfry/tn.sync.sh
deleted file mode 100644
index d79feb2..0000000
--- a/compose/strfry/tn.sync.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/sh
-
-filters='{"kinds":[38383]}'
-
-/app/strfry --config /etc/strfry.conf sync ws://testraliar7xkhos2gipv2k65obykofb4jqzl5l4danfryacifi4t7qd.onion/nostr --filter "$filters" --dir both
-/app/strfry --config /etc/strfry.conf sync ws://jpp3w5tpxtyg6lifonisdszpriiapszzem4wod2zsdweyfenlsxeoxid.onion/nostr --filter "$filters" --dir both
-/app/strfry --config /etc/strfry.conf sync ws://ghbtv7lhoyhomyir4xvxaeyqgx4ylxksia343jaat3njqqlkqpdjqcyd.onion/nostr --filter "$filters" --dir both
-/app/strfry --config /etc/strfry.conf sync ws://wsjyhbashc4zrrex6vijpryujggbka5plry2o62dxqoz3pxinblnj4ad.onion/nostr --filter "$filters" --dir both