diff --git a/Dockerfile b/Dockerfile
index 0782a4c..f67b9d2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,2 @@
 FROM docker.io/alpine:latest
 RUN apk add imagemagick imagemagick-jpeg imagemagick-pango font-fira-code-nerd
-COPY ./ /app
-ENTRYPOINT [ "/app/main.sh" ]
diff --git a/main.sh b/main.sh
index 44cc2c3..339cc3c 100755
--- a/main.sh
+++ b/main.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-set -e
+set -ex
 
 help_text() {
   printf "