diff --git a/docker-compose.yml b/docker-compose.yml
index 39e3dde4..b9f23b1d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -10,7 +10,7 @@ nginx:
     - /etc/letsencrypt:/etc/letsencrypt
     - /tmp:/tmp
 webapp:
-  image: "selcolumbia/dokomoforms"
+  image: "selcolumbia/dokomoforms:0.2.2"
   command: bash -c "./docker-wait-for-postgres.sh db && head -c 24 /dev/urandom > cookie_secret && python webapp.py"
   links:
     - "db:db"
diff --git a/docker-wait-for-postgres.sh b/docker-wait-for-postgres.sh
index 6c796cb0..b2c7c907 100755
--- a/docker-wait-for-postgres.sh
+++ b/docker-wait-for-postgres.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 until psql --host=$1 --username=postgres -w &>/dev/null
 do
   echo "Waiting for PostgreSQL..."
diff --git a/installer.sh b/installer.sh
index 05476666..4a33e879 100755
--- a/installer.sh
+++ b/installer.sh
@@ -158,4 +158,7 @@ printf " You can view the status of the         \n"
 printf " containers by running:                 \n"
 printf " $DOCKER_COMPOSE ps\n"
 printf "========================================\n"
+if [ -f /etc/redhat-release ] ; then
+  chcon -Rt svirt_sandbox_file_t .
+fi
 $DOCKER_COMPOSE up -d