diff --git a/Development/docker.md b/Development/docker.md
index 49d9e3b..7efe919 100644
--- a/Development/docker.md
+++ b/Development/docker.md
@@ -4,14 +4,10 @@ Assume you use Archlinux.
 
 Read [Docker](https://wiki.archlinux.org/index.php/Docker).
 
-Read [LinuxServer.io/Docs](https://docs.linuxserver.io/).
-
-Start/enable service:
+Enable and start service:
 
 ```sh
-systemctl start docker.service
-
-systemctl enable docker.service
+systemctl enable --now docker.service
 ```
 
 Add your user to `docker` group:
@@ -37,7 +33,7 @@ Read [docker run](https://docs.docker.com/engine/reference/commandline/run/).
 | `-t`     |                 | Allocate a pseudo-TTY                     |
 | `-v`     | `-v ~/abc:/abc` | Bind host directory : container directory |
 
-Run `ubuntu` image:
+Example run `ubuntu` image:
 
 ```sh
 docker run --rm -it ubuntu
diff --git a/Development/prometheus.md b/Development/prometheus.md
index 9ff95a8..ea35c8e 100644
--- a/Development/prometheus.md
+++ b/Development/prometheus.md
@@ -8,6 +8,7 @@ Docker:
 docker run -d \
     -p 9090:9090 \
     -v /path/to/config:/etc/prometheus \
+    --name prometheus
     prom/prometheus
 ```
 
@@ -32,6 +33,7 @@ Docker:
 ```sh
 docker run -d \
     -p 9091:9091 \
+    --name pushgateway
     prom/pushgateway
 ```
 
diff --git a/Development/redis.md b/Development/redis.md
index 9b59eaf..ac606a7 100644
--- a/Development/redis.md
+++ b/Development/redis.md
@@ -1,32 +1,25 @@
 # Redis
 
-Assume you use Archlinux.
-
-Read [Redis](https://wiki.archlinux.org/index.php/Redis).
-
-Start/enable service:
+Docker:
 
 ```sh
-systemctl start redis.service
-
-systemctl enable redis.service
-```
-
-Otherwise use docker:
-
-```sh
-docker run -d -p 6379:6379 --name redis redis:alpine
+docker run -d \
+    -p 6379:6379 \
+    --name redis \
+    redis:alpine
 ```
 
 ## redis-cli
 
+`redis-cli` is included in [redis](https://www.archlinux.org/packages/community/x86_64/redis/).
+
 Connect:
 
 ```sh
 redis-cli -h localhost -p 6379
 ```
 
-### After connect
+### [Commands](https://redis.io/commands)
 
 Get all keys:
 
@@ -39,5 +32,3 @@ Delete all keys:
 ```sh
 FLUSHALL
 ```
-
-Read [Commands](https://redis.io/commands).