fix

Dockerfile

 ARG DOCKER_REGISTRY=registry.cyberbrain.pw
 FROM $DOCKER_REGISTRY/tools/docker/ubuntu:latest AS source
 
-COPY entrypoint.sh /entrypoint.sh
 RUN set -ex && \
-	chmod a+x /entrypoint.sh && \
     apt-get update -y && \
     apt-get install -y --no-install-suggests --no-install-recommends mariadb-client && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
+COPY entrypoint.sh /entrypoint.sh
+RUN set -ex && \
+	chmod a+x /entrypoint.sh
+
 VOLUME [ "/backup" ]
 ENTRYPOINT [ "/entrypoint.sh" ]
-CMD [ "help" ]

entrypoint.sh

@@ -5,9 +5,8 @@ unset TO_DIE
 die () {
     RED='\033[0;31m'
     NC='\033[0m' # No Color
-    echo -e "${RED}$1${NC}"
-    TO_DIE=1
-
+    echo "${RED}$1${NC}"
+    exit 1
 }
 
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