proxy: use new confd release with fixed file watcher

proxy/Dockerfile

@@ -1,6 +1,6 @@
 FROM nginx:1.19-alpine
 ARG CONFD_REPO=iwilltry42/confd
-ARG CONFD_VERSION=0.16.1
+ARG CONFD_VERSION=0.17.0-rc.0
 ARG OS=linux
 ARG ARCH=amd64
 RUN echo "Building for '${OS}/${ARCH}'..." \

proxy/Makefile

@@ -1,5 +1,5 @@
 .PHONY: test
 
 test:
-	docker build . -t rancher/k3d-proxy:dev
+	docker build . -t rancher/k3d-proxy:dev --no-cache
 	docker run --rm -v $(shell pwd)/test/portmap.yaml:/etc/confd/values.yaml rancher/k3d-proxy:dev

proxy/conf.d/nginx.toml

@@ -4,4 +4,6 @@ dest = "/etc/nginx/nginx.conf"
 keys = [
     "ports",
     "settings"
-]
+]
+check_cmd = "/usr/sbin/nginx -T -c {{.src}}"
+reload_cmd = "/usr/sbin/nginx -s reload"

proxy/nginx-proxy

@@ -1,14 +1,24 @@
 #!/bin/sh
 
-# Run confd
 set -e
-confd -onetime -backend file -file /etc/confd/values.yaml -log-level debug
+
-set +e
+# Config Options
+INIT_CONFIG_MAX_RETRIES=3
+
+# Run confd
+for i in $(seq 1 $INIT_CONFIG_MAX_RETRIES); do
+  echo "[$(date -Iseconds)] creating initial nginx config (try $i/$INIT_CONFIG_MAX_RETRIES)"
+  confd -onetime -backend file -file /etc/confd/values.yaml -log-level debug -sync-only
+  sleep 2
+done
 
 # Output Configuration
 echo "===== Initial nginx configuration ====="
-cat /etc/nginx/nginx.conf
+nginx -T -c /etc/nginx/nginx.conf
 echo "======================================="
 
+# Start confd in watch mode (every second)
+confd -watch -backend file -file /etc/confd/values.yaml -log-level debug &
+
 # Start nginx
 nginx -g 'daemon off;'