feat: enable logs

.changeset/sour-humans-run.md

@@ -0,0 +1,6 @@
+---
+"varnish-post": minor
+---
+
+It is now possible to enable logs, by setting `ENABLE_LOGS` to `true`, which is now the default value.
+To disable them, just put any other value, like `false` for example.

Dockerfile

@@ -10,6 +10,7 @@ ENV VARNISH_SIZE="100M"
 ENV DISABLE_ERROR_CACHING="true"
 ENV DISABLE_ERROR_CACHING_TTL="30s"
 ENV CONFIG_FILE="default.vcl"
+ENV ENABLE_LOGS="true"
 
 # Install some dependencies
 RUN apt-get update \

README.md

@@ -26,3 +26,4 @@ You can use following environment variables for configuration:
 - `DISABLE_ERROR_CACHING`: disable the caching of errors (default: `true`)
 - `DISABLE_ERROR_CACHING_TTL`: time where requests should be directly sent to the backend after an error occured (default: `30s`)
 - `CONFIG_FILE`: the name of the configuration file to use (default: `default.vcl`)
+- `ENABLE_LOGS`: enable logs (default: `true`)

entrypoint.sh

@@ -1,8 +1,10 @@
 #!/bin/sh
 
+ENABLE_LOGS="${ENABLE_LOGS}"
+
 set -eu
 
-# environment variables substitution
+# Environment variables substitution
 for SRC_LOCATION in $(find /templates -type f); do
   DST_LOCATION=$(echo "${SRC_LOCATION}" | sed 's/^\/templates/\/etc\/varnish/')
   envsubst \
@@ -11,9 +13,14 @@ for SRC_LOCATION in $(find /templates -type f); do
   echo "INFO: generated '${DST_LOCATION}' from '${SRC_LOCATION}' (environment variables substitution)"
 done
 
+# Display logs if configured
+if [ "${ENABLE_LOGS}" = "true" ]; then
+  varnishncsa&
+fi
+
 set -x
 
-# run varnish
+# Run Varnish
 varnishd \
   -F \
   -f "/etc/varnish/${CONFIG_FILE}" \