diff --git a/scripts/postgres-migrate b/scripts/postgres-migrate
new file mode 100755
index 0000000..ec658a8
--- /dev/null
+++ b/scripts/postgres-migrate
@@ -0,0 +1,57 @@
+#!/bin/bash -e
+
+OLD_DATA_DIR=$(realpath "$1")
+NEW_DATA_DIR=$(realpath "$2")
+NEW_POSTGRES_VERSION=$3
+
+if [ -d "$NEW_DATA_DIR" ]; then
+    echo "new postgres data directory $2 already exists. this is not expected"
+    exit 1
+fi
+
+
+OLD_PG_VERSION=$(cat "$OLD_DATA_DIR/PG_VERSION")
+
+
+
+echo spin up a temporary postgres instance on $OLD_DATA_DIR
+TEMP_CONTAINER_ID=$(docker run --detach --rm "-v=$OLD_DATA_DIR:/var/lib/postgresql/data"  -e POSTGRES_HOST_AUTH_METHOD=trust postgres:$OLD_PG_VERSION-alpine)
+
+until docker exec $TEMP_CONTAINER_ID psql -U postgres -c "select 1" > /dev/null 2>&1; do
+  echo "Waiting for postgres server..."
+  sleep 1
+done
+
+echo "find old greenlight database..."
+if docker exec $TEMP_CONTAINER_ID psql -U postgres -lqt | cut -d \| -f 1  | grep greenlight-v3; then
+    OLD_DATABASE=greenlight-v3
+elif docker exec $TEMP_CONTAINER_ID psql -U postgres -lqt | cut -d \| -f 1  | grep greenlight; then
+    OLD_DATABASE=greenlight
+fi
+echo "old database is called $OLD_DATABASE"
+echo ""
+
+echo "dumping data from old databse..."
+GREENLIGHT_DUMP=$(mktemp)
+docker exec $TEMP_CONTAINER_ID pg_dump -U postgres $OLD_DATABASE > $GREENLIGHT_DUMP
+docker stop $TEMP_CONTAINER_ID
+
+
+echo spin up a temporary postgres instance on $NEW_DATA_DIR
+TEMP_CONTAINER_ID=$(docker run --detach --rm "-v=$NEW_DATA_DIR:/var/lib/postgresql/data"  -e POSTGRES_HOST_AUTH_METHOD=trust postgres:$NEW_POSTGRES_VERSION-alpine)
+
+until docker exec $TEMP_CONTAINER_ID psql -U postgres -c "select 1" > /dev/null 2>&1; do
+  echo "Waiting for postgres server..."
+  sleep 1
+done
+
+echo "create all databases..."
+for database in "bbb_graphql" "hasura_app" "greenlight"; do
+    echo "creating $database"
+    docker exec $TEMP_CONTAINER_ID psql -U postgres -c "CREATE DATABASE $database;" -c "GRANT ALL PRIVILEGES ON DATABASE $database TO postgres;"
+done
+
+echo "restoring greenlight from dump..."
+cat $GREENLIGHT_DUMP | docker exec -i $TEMP_CONTAINER_ID psql -U postgres greenlight
+
+docker stop $TEMP_CONTAINER_ID
\ No newline at end of file
diff --git a/scripts/upgrade b/scripts/upgrade
index 454d02e..09cff0c 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -24,7 +24,7 @@ else
     echo "# checking for old volumes & migrate them"
     COMPOSE_PREFIX=$(docker compose config | grep '^name:' | awk '{print $2}')
     
-    function migrate {
+    function migrate_vol {
         VOLUME=${COMPOSE_PREFIX}_${1}
         EXISTING=$(docker volume ls | grep $VOLUME | tail -n1 | awk '{print $2}')
         if [ -n "$EXISTING" ]; then
@@ -36,12 +36,24 @@ else
             docker volume rm $EXISTING
         fi  
     }
-    migrate bigbluebutton ./data/bigbluebutton
-    migrate vol-freeswitch ./data/freeswitch-meetings
-    migrate vol-mediasoup ./data/mediasoup
+    migrate_vol bigbluebutton ./data/bigbluebutton
+    migrate_vol vol-freeswitch ./data/freeswitch-meetings
+    migrate_vol vol-mediasoup ./data/mediasoup
 
-    # TODO: migrate postgres database
-    # TODO: migrate greenlight-data
+    if [ -d "./postgres-data" ]; then
+        echo "folder ./postgres-data still exists and probably uses postgres 12. migrating to a fresh postgres 16 data directory..."
+        ./scripts/postgres-migrate ./postgres-data ./data/postgres 16
+        mv postgres-data postgres-data.automigrate-bak
+    fi
+
+    if [ -d "./greenlight-data" ]; then
+        if [ -d "./data/greenlight" ]; then
+            mv ./data/greenlight ./data/greenlight.automigrate-bak
+        fi
+        mv ./greenlight-data ./data/greenlight
+    fi
+
+    # TODO: ask for LETSENCRYPT_EMAIL
 
     echo ""
     echo "# pull newest images"