Fix shell

Signed-off-by: Marcus Noble <github@marcusnoble.co.uk>

Dockerfile

@@ -5,7 +5,7 @@ FROM golang:1.13 AS UV3DP_BUILDER
     go build -o /app/uv3dp ./cmd/uv3dp
 
 
-FROM alpine:latest
+FROM bash:5
   COPY --from=UV3DP_BUILDER /app/uv3dp /usr/bin/
 
   ADD src/convert.sh /convert.sh

src/convert.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 cd ${WATCH_DIRECTORY:=/home}
 
@@ -13,7 +13,7 @@ convert() {
 export -f convert
 
 while [ true ]; do
-  sleep 30
-
   find . -type f -mmin +1 -iname '*.sl1' -exec bash -c 'convert {}' \;
+
+  sleep 30
 done