diff --git a/snap/docker-compose.yml b/snap/docker-compose.yml
index 09d9ef9..a61af43 100644
--- a/snap/docker-compose.yml
+++ b/snap/docker-compose.yml
@@ -48,8 +48,8 @@ services:
       APPID: spot
       PROXY_ID: ${PROXY_ID}
       LDM_URL: ${LDM_URL}
-      AUTH_USER: ${}
-      AUTH_PW: ${}
+      AUTH_USER: ${AUTH_USER}
+      AUTH_PW: ${AUTH_PW}
       BEAM_PROXY: http://beam-proxy:8081
     depends_on:
       - "beam-proxy"
diff --git a/snap/vars b/snap/vars
index e69de29..ce12d1a 100644
--- a/snap/vars
+++ b/snap/vars
@@ -0,0 +1,9 @@
+BROKER_ID=broker.dev.ccp-it.dktk.dkfz.de
+BROKER_URL=https://${BROKER_ID}
+PROXY_ID=${SITE_ID}.${BROKER_ID}
+SPOT_BEAM_SECRET_SHORT="$(cat /proc/sys/kernel/random/uuid | sed 's/[-]//g' | head -c 20)"
+SPOT_BEAM_SECRET_LONG="ApiKey spot.${PROXY_ID} ${SPOT_BEAM_SECRET_SHORT}"
+REPORTHUB_BEAM_SECRET_SHORT="$(cat /proc/sys/kernel/random/uuid | sed 's/[-]//g' | head -c 20)"
+REPORTHUB_BEAM_SECRET_LONG="ApiKey report-hub.${PROXY_ID} ${REPORTHUB_BEAM_SECRET_SHORT}"
+SUPPORT_EMAIL=support-ccp@dkfz-heidelberg.de
+PRIVATEKEYFILENAME=/etc/bridgehead/pki/${SITE_ID}.priv.pem