Merge pull request #197 from s-diez/from-scratch-image

Feat: use scratch base for docker image

Dockerfile

@@ -1,22 +1,17 @@
-FROM debian:stable-slim
+FROM scratch
 
 # nobody / nogroup
 ARG DNSBL_USER=65534
 ARG DNSBL_GROUP=65534
 
-ENV DNSBL_EXP_RESOLVER=ubound:53
-ENV DNSBL_EXP_RBLS=/etc/dnsbl-exporter/rbls.ini
-ENV DNSBL_EXP_TARGETS=/etc/dnsbl-exporter/targets.ini
-
-COPY dnsbl-exporter /usr/bin/
+USER $DNSBL_USER:$DNSBL_GROUP
 
-RUN mkdir -p /etc/dnsbl-exporter
-COPY rbls.ini /etc/dnsbl-exporter/
-COPY targets.ini /etc/dnsbl-exporter/
+ENV DNSBL_EXP_RESOLVER=ubound:53
+ENV DNSBL_EXP_RBLS=/rbls.ini
+ENV DNSBL_EXP_TARGETS=/targets.ini
 
-RUN chown -R $DNSBL_USER:$DNSBL_GROUP /etc/dnsbl-exporter
-USER $DNSBL_USER:$DNSBL_GROUP
+COPY dnsbl-exporter rbls.ini targets.ini /
 
 EXPOSE 9211
 
-ENTRYPOINT ["/usr/bin/dnsbl-exporter"]
+ENTRYPOINT ["/dnsbl-exporter"]

README.md

@@ -54,7 +54,7 @@ Please note: `latest` is not provided.
 The images expect `target.ini` and `rbls.ini` in the following location:
 
 ```sh
-/etc/dnsbl-exporter
+/
 ```
 
 Either start the container and supply the contents, or build your own image: