Use manual approach on entrypoint for now

See coop-cloud/peertube#2.

entrypoint.sh.tmpl

@@ -2,31 +2,13 @@
 
 set -e
 
-file_env() {
-   local var="$1"
-   local fileVar="${var}_FILE"
-   local def="${2:-}"
+# Note(decentral1se): get file_env function back soon
+# https://git.autonomic.zone/coop-cloud/peertube/issues/2
 
-   if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
-      echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
-      exit 1
-   fi
+export PEERTUBE_DB_PASSWORD=$(cat "$PEERTUBE_DB_PASSWORD_FILE")
 
-   local val="$def"
-
-   if [ "${!var:-}" ]; then
-      val="${!var}"
-   elif [ "${!fileVar:-}" ]; then
-      val="$(< "${!fileVar}")"
-   fi
-
-   export "$var"="$val"
-   unset "$fileVar"
-}
-
-file_env "PEERTUBE_DB_PASSWORD"
 {{ if (env "PEERTUBE_SMTP_ENABLED") }}
-file_env "PEERTUBE_SMTP_PASSWORD"
+export PEERTUBE_SMTP_PASSWORD=$(cat "$PEERTUBE_SMTP_PASSWORD_FILE")
 {{ end }}
 
 # upstream entrypoint