diff --git a/README.md b/README.md
index e9ed79d..21e45a0 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,7 @@ These environment variables control the program's runtime:
 - `MINI_BATCH_NUMBER` - Number of mini-batches to process within each main batch. Used by `getTimeBatches` to divide the time between `prev_batch_end` and `cur_batch_end` into smaller intervals.
 - `UPTIME_DAYS_FOR_SCORE` - Number of days the system must be operational to calculate a score. Used by `updateScoreboard` to define the scoreboard update period.
 - `RETRY_COUNT` - Number of times a batch should be retried before giving up.
+- `SUBMISSION_STORAGE` - Storage where submissions are kept. Valid options: `POSTGRES` or `CASSANDRA`. Default: `POSTGRES`.
 
 ### Stateless Verification Tool Configuration
 
diff --git a/uptime_service_validation/coordinator/server.py b/uptime_service_validation/coordinator/server.py
index 8e8bccf..149f4b6 100644
--- a/uptime_service_validation/coordinator/server.py
+++ b/uptime_service_validation/coordinator/server.py
@@ -296,6 +296,8 @@ def setUpValidatorProcesses(time_intervals, logging, worker_image, worker_tag):
         command = [
             "docker",
             "run",
+            "--network",
+            "host",
             "--rm",
             "-v",
             f"{os.environ.get('SSL_CERTFILE')}:/var/ssl/ssl-cert.crt",