entrypoint.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+set -e
+
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local def="${2:-}"
+
+    if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+        echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+    local val="$def"
+    if [ "${!var:-}" ]; then
+        val="${!var}"
+    elif [ "${!fileVar:-}" ]; then
+        val="$(< "${!fileVar}")"
+    fi
+    export "$var"="$val"
+    unset "$fileVar"
+}
+
+file_env "CROC_PASS"