Merge pull request #140 from zazuko/custom-args

Add `CUSTOM_ARGS` support

.changeset/new-gifts-look.md

@@ -0,0 +1,5 @@
+---
+"varnish-post": minor
+---
+
+Add support for `CUSTOM_ARGS`

Dockerfile

@@ -26,6 +26,7 @@ ENV CONFIG_FILE="default.vcl"
 ENV ENABLE_LOGS="true"
 ENV ENABLE_PROMETHEUS_EXPORTER="false"
 ENV PURGE_ACL="localhost"
+ENV CUSTOM_ARGS=""
 
 # Install some dependencies
 RUN apt-get update \
@@ -48,4 +49,4 @@ COPY entrypoint.sh /
 RUN chmod +x /entrypoint.sh
 
 EXPOSE 80 8443 9131
-ENTRYPOINT [ "tini", "--", "/entrypoint.sh" ]
+CMD [ "tini", "--", "/entrypoint.sh" ]

README.md

@@ -31,6 +31,7 @@ You can use following environment variables for configuration:
 - `ENABLE_PROMETHEUS_EXPORTER`: enable the Prometheus exporter if set to `true` (default: `false`).
   If enabled, the exporter will be available on the 9131 port.
 - `PURGE_ACL`: custom ACL for the PURGE method (default: `localhost`) ; you can use `0.0.0.0/0` to allow all.
+- `CUSTOM_ARGS`: custom arguments to pass to varnishd (default: `''`)
 
 ## Cache invalidation
 

entrypoint.sh

@@ -2,6 +2,7 @@
 
 ENABLE_LOGS="${ENABLE_LOGS}"
 ENABLE_PROMETHEUS_EXPORTER="${ENABLE_PROMETHEUS_EXPORTER}"
+CUSTOM_ARGS="${CUSTOM_ARGS}"
 
 set -eu
 
@@ -55,4 +56,5 @@ varnishd \
   -a proxy=:8443,PROXY \
   -p feature=+http2 \
   -s "malloc,${VARNISH_SIZE}" \
+  ${CUSTOM_ARGS} \
   "$@"