custom ca, 13

Dockerfile

@@ -10,6 +10,7 @@ ARG ADDITIONAL_CA_URL="x"
 ARG ADDITIONAL_CA_CHECKSUM="y"
 
 RUN \
+  set -e &&\
   apk add --no-cache syft &&\
   adduser -s /bin/sh -D user &&\
   mkdir -p $APP_DIR &&\
@@ -19,7 +20,7 @@ RUN \
   if [ "$ADDITIONAL_CA_URL" != "x" ]; then \
     cd /usr/share/ca-certificates; \
     wget --no-check-certificate -O custom-ca.crt $ADDITIONAL_CA_URL; \
-    echo "$ADDITIONAL_CA_CHECKSUM  custom-ca.crt" | md5sum -c; \
+    echo "a$ADDITIONAL_CA_CHECKSUM  custom-ca.crt" | md5sum -c; \
     /usr/sbin/update-ca-certificates; \
     echo "custom ca added"; \
   else \