Detach environment variables from docker-compose.yml

bin/mixin-secrets

@@ -6,7 +6,8 @@
 # Olivia Mackintosh <livvy@base.nu>
 
 THISDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
-TEMPLATE=${THISDIR}/../docker-compose.yml.template
+TEMPLATE=${THISDIR}/../environment.template
+TARGET=${THISDIR}/../environment
 
 if [ -z "$DATABASE_PASSWORD" ]; then
     echo "Error: Please set \$DATABASE_PASSWORD"
@@ -18,4 +19,13 @@ if [ -z "$SMTP_PASSWORD" ]; then
     exit 1
 fi
 
-envsubst < $TEMPLATE | cat -
+if [ -z "$SECRET_KEY" ]; then
+    echo "Error: Please set \$SECRET_KEY"
+    exit 1
+fi
+
+# Make sure only root can access and then
+# sub in the environment variables.
+sudo chown root:root $TARGET
+sudo chmod 660       $TARGET
+envsubst < $TEMPLATE | sudo tee $TARGET