From e3f5538d2237c47181cb9a0b99553c05e0cd7f8b Mon Sep 17 00:00:00 2001
From: Dennis Gaida <2392217+DennisGaida@users.noreply.github.com>
Date: Mon, 4 Mar 2024 09:39:33 +0100
Subject: [PATCH] Support docker secrets for username and password

I don't like confidential data just hanging around in environment variables, especially for security related products.
---
 docker/run.sh | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/docker/run.sh b/docker/run.sh
index 93867e6..e99ed31 100755
--- a/docker/run.sh
+++ b/docker/run.sh
@@ -1,5 +1,20 @@
 #!/bin/bash
 
+# allow setting specific environment variables with docker secrets
+# the format is <variable-name>_FILE
+supportedSecrets=( "USERNAME" 
+                   "PASSWORD"
+                  )
+for secret in ${supportedSecrets[@]}; do
+    envFile="${secret}_FILE"
+    if [ $(printenv ${envFile}) ]; then envFileName=`printenv ${envFile}`; fi
+    if [[ ${!envFile} && -f "$envFileName" ]]; then
+        val=`cat $envFileName`
+        export "${secret}"="$val"
+        echo "${secret} environment variable was set by secret ${envFile}"
+    fi
+done
+
 if [ -z "${USERNAME}" ] || [ -z "${PASSWORD}" ]; then
     echo "Missing one of USERNAME or PASSWORD"
     exit 1