chore: Add helper script to run a standalone etcd locally

Author: achimnol

scripts/run-etcd.sh

@@ -0,0 +1,23 @@
+ETCD_VER=v3.5.14
+
+rm -rf /tmp/etcd-data.tmp && mkdir -p /tmp/etcd-data.tmp && \
+  docker run -d \
+  -p 2379:2379 \
+  -p 2380:2380 \
+  --mount type=bind,source=/tmp/etcd-data.tmp,destination=/etcd-data \
+  --name etcd-gcr-${ETCD_VER} \
+  gcr.io/etcd-development/etcd:${ETCD_VER} \
+  /usr/local/bin/etcd \
+  --name s1 \
+  --data-dir /etcd-data \
+  --listen-client-urls http://0.0.0.0:2379 \
+  --advertise-client-urls http://0.0.0.0:2379 \
+  --listen-peer-urls http://0.0.0.0:2380 \
+  --initial-advertise-peer-urls http://0.0.0.0:2380 \
+  --initial-cluster s1=http://0.0.0.0:2380 \
+  --initial-cluster-token tkn \
+  --initial-cluster-state new \
+  --log-level info \
+  --logger zap \
+  --log-outputs stderr
+