09-Redis集群部署实战&Springboot微服务打包Docker镜像

Redis集群部署实战

# 创建网卡
docker network create redis --subnet 172.38.0.0/16
 
# 通过脚本创建六个redis配置
for port in $(seq 1 6); \
do \
mkdir -p /mydata/redis/node-${port}/conf
touch /mydata/redis/node-${port}/conf/redis.conf
cat << EOF >/mydata/redis/node-${port}/conf/redis.conf
port 6379
bind 0.0.0.0
cluster-enabled yes
cluster-config-file nodes.conf
cluster-node-timeout 5000
cluster-announce-ip 172.38.0.1${port}
cluster-announce-port 6379
cluster-announce-bus-port 16379
appendonly yes
EOF
done
# 创建结点1 - 6
docker run -p 6371:6379 -p 16371:16379 --name redis-1 \
-v /mydata/redis/node-1/data:/data \
-v /mydata/redis/node-1/conf/redis.conf:/etc/redis/redis.conf \
-d --net redis --ip 172.38.0.11 redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf

#创建结点6
docker run -p 6376:6379 -p 16376:16379 --name redis-6 \
-v /mydata/redis/node-6/data:/data \
-v /mydata/redis/node-6/conf/redis.conf:/etc/redis/redis.conf \
-d --net redis --ip 172.38.0.16 redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf
 
# 创建集群
[root@iZ2zeg4ytp0whqtmxbsqiiZ ~]# docker exec -it redis-1 /bin/sh
/data # ls
appendonly.aof  nodes.conf
/data # redis-cli --cluster create 172.38.0.11:6379 172.38.0.12:6379 172.38.0.13:6379 172.38.0.14:6379 172.38.0.15:6379 172.38.0.16:6379 --cluster-replicas 1
>>> Performing hash slots allocation on 6 nodes...
Master[0] -> Slots 0 - 5460
Master[1] -> Slots 5461 - 10922
Master[2] -> Slots 10923 - 16383
Adding replica 172.38.0.15:6379 to 172.38.0.11:6379
Adding replica 172.38.0.16:6379 to 172.38.0.12:6379
Adding replica 172.38.0.14:6379 to 172.38.0.13:6379
M: 541b7d237b641ac2ffc94d17c6ab96b18b26a638 172.38.0.11:6379
   slots:[0-5460] (5461 slots) master
M: a89c1f1245b264e4a402a3cf99766bcb6138dbca 172.38.0.12:6379
   slots:[5461-10922] (5462 slots) master
M: 259e804d6df74e67a72e4206d7db691a300c775e 172.38.0.13:6379
   slots:[10923-16383] (5461 slots) master
S: 9b19170eea3ea1b92c58ad18c0b5522633a9e271 172.38.0.14:6379
   replicates 259e804d6df74e67a72e4206d7db691a300c775e
S: 061a9d38f22910aaf0ba1dbd21bf1d8f57bcb7d5 172.38.0.15:6379
   replicates 541b7d237b641ac2ffc94d17c6ab96b18b26a638
S: 7a16b9bbb0615ec95fc978fa62fc054df60536f0 172.38.0.16:6379
   replicates a89c1f1245b264e4a402a3cf99766bcb6138dbca
Can I set the above configuration? (type 'yes' to accept): yes
>>> Nodes configuration updated
>>> Assign a different config epoch to each node
>>> Sending CLUSTER MEET messages to join the cluster
Waiting for the cluster to join
...
>>> Performing Cluster Check (using node 172.38.0.11:6379)
M: 541b7d237b641ac2ffc94d17c6ab96b18b26a638 172.38.0.11:6379
   slots:[0-5460] (5461 slots) master
   1 additional replica(s)
M: a89c1f1245b264e4a402a3cf99766bcb6138dbca 172.38.0.12:6379
   slots:[5461-10922] (5462 slots) master
   1 additional replica(s)
S: 7a16b9bbb0615ec95fc978fa62fc054df60536f0 172.38.0.16:6379
   slots: (0 slots) slave
   replicates a89c1f1245b264e4a402a3cf99766bcb6138dbca
S: 061a9d38f22910aaf0ba1dbd21bf1d8f57bcb7d5 172.38.0.15:6379
   slots: (0 slots) slave
   replicates 541b7d237b641ac2ffc94d17c6ab96b18b26a638
M: 259e804d6df74e67a72e4206d7db691a300c775e 172.38.0.13:6379
   slots:[10923-16383] (5461 slots) master
   1 additional replica(s)
S: 9b19170eea3ea1b92c58ad18c0b5522633a9e271 172.38.0.14:6379
   slots: (0 slots) slave
   replicates 259e804d6df74e67a72e4206d7db691a300c775e
[OK] All nodes agree about slots configuration.
>>> Check for open slots...
>>> Check slots coverage...
[OK] All 16384 slots covered.
 
 

docker搭建redis集群完成！

Springboot微服务打包Docker镜像

1. 构建springboot项目

2. 打包应用

3. 编写Dockerfile

FROM java:8
 
COPY *.jar /app.jar
 
CMD ["--server.port=8080"]
 
EXPOSE 8080
 
ENTRYPOINT ["java", "-jar", "/app.jar"]

1. 构建镜像
2. 发布运行！

# 把打好的jar包和Dockerfile上传到linux
[root@tianqinglong idea]# ll
total 16140
-rw-r--r-- 1 root root 16519871 Aug 14 17:38 demo-0.0.1-SNAPSHOT.jar
-rw-r--r-- 1 root root      122 Aug 14 17:38 Dockerfile
 
# 构建镜像，不要忘了最后有一个点
[root@tianqinglong idea]# docker build -t tianqinglong666 .
Sending build context to Docker daemon  16.52MB
Step 1/5 : FROM java:8
8: Pulling from library/java
5040bd298390: Pull complete 
fce5728aad85: Pull complete 
76610ec20bf5: Pull complete 
60170fec2151: Pull complete 
e98f73de8f0d: Pull complete 
11f7af24ed9c: Pull complete 
49e2d6393f32: Pull complete 
bb9cdec9c7f3: Pull complete 
Digest: sha256:c1ff613e8ba25833d2e1940da0940c3824f03f802c449f3d1815a66b7f8c0e9d
Status: Downloaded newer image for java:8
 ---> d23bdf5b1b1b
Step 2/5 : COPY *.jar /app.jar
 ---> d4de8837ebf9
Step 3/5 : CMD ["--server.port=8080"]
 ---> Running in e3abc66303f0
Removing intermediate container e3abc66303f0
 ---> 131bb3917fea
Step 4/5 : EXPOSE 8080
 ---> Running in fa2f25977db7
Removing intermediate container fa2f25977db7
 ---> d98147377951
Step 5/5 : ENTRYPOINT ["java", "-jar", "/app.jar"]
 ---> Running in e1885e23773b
Removing intermediate container e1885e23773b
 ---> afb6b5f28a32
Successfully built afb6b5f28a32
Successfully tagged xiaofan666:latest
 
# 查看镜像
[root@tianqinglong idea]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
tianqinglong666          latest              afb6b5f28a32        14 seconds ago      660MB
tomcat              latest              2ae23eb477aa        8 days ago          647MB
redis               5.0.9-alpine3.11    3661c84ee9d0        3 months ago        29.8MB
java                8                   d23bdf5b1b1b        3 years ago         643MB
 
# 运行容器
[root@tianqinglong idea]# docker run -d -P --name tianqinglong-springboot-web tianqinglong666
fd9a353a80bfd61f6930c16cd92204532bfd734e003f3f9983b5128a27b0375e
# 查看运行起来的容器端口（因为我们启动的时候没有指定）
[root@iZ2zeg4ytp0whqtmxbsqiiZ idea]# docker ps
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                     NAMES
fd9a353a80bf        tianqinglong666          "java -jar /app.jar …"   9 seconds ago       Up 8 seconds        0.0.0.0:32779->8080/tcp   tianqinglong-springboot-web
# 本地访问1
[root@iZ2zeg4ytp0whqtmxbsqiiZ idea]# curl localhost:32779
{"timestamp":"2020-08-14T09:42:57.371+00:00","status":404,"error":"Not Found","message":"","path":"/"}
# 本地访问2
[root@tianqinglong idea]# [root@tianqinglong idea]# curl localhost:32779/hello
hello, xiaofan
# 远程访问（开启阿里云上的安全组哦）

以后我们使用了Docker之后，给别人交互的就是一个镜像即可！

完结撒花 狂神已经发了进阶版~ 快冲~