Docker 部署 SpringBoot 專案整合 Redis 映象做訪問計數Demo

搜雲庫技術團隊發表於2018-01-11

DockerSpring BootRedis

Docker 部署SpringBoot專案整合 Redis 映象做訪問計數Demo

最終效果如下

搜雲庫訪客系統

大概就幾個步驟

1.安裝 Docker CE
2.執行 Redis 映象
3.Java 環境準備
4.專案準備
5.編寫 Dockerfile
6.釋出專案
7.測試服務

環境準備

系統：Ubuntu 17.04 x64
Docker 17.12.0-ce
IP:45.32.31.101

一、安裝 Docker CE

國內不建議使用:“指令碼進行安裝”,會下載安裝很慢,使用步驟 1 安裝，看下面的連結：常規安裝方式

1.常規安裝方式

Ubuntu 17.04 x64 安裝 Docker CE

http://www.ymq.io/2018/01/11/Docker-Install-docker-ce

2.指令碼進行安裝

國內安裝不建議使用指令碼：

安裝Docker CE

$ curl -fsSL get.docker.com -o get-docker.sh
$ sudo sh get-docker.sh

<output truncated>

If you would like to use Docker as a non-root user, you should now consider
adding your user to the "docker" group with something like:

  sudo usermod -aG docker your-user

Remember that you will have to log out and back in for this to take effect!

WARNING: Adding a user to the "docker" group will grant the ability to run
         containers which can be used to obtain root privileges on the
         docker host.
         Refer to https://docs.docker.com/engine/security/security/#docker-daemon-attack-surface
         for more information.

驗證Docker CE

通過執行hello-world 映象驗證是否正確安裝了Docker CE

$ sudo docker run hello-world

root@souyunku:~# sudo docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
hello-world         latest              f2a91732366c        7 weeks ago         1.85kB

二、執行 Redis 映象

1.執行映象

$ docker run --name redis-6379 -p 6379:6379 -d redis

Unable to find image `redis:latest` locally
latest: Pulling from library/redis
c4bb02b17bb4: Pull complete 
58638acf67c5: Pull complete 
f98d108cc38b: Pull complete 
83be14fccb07: Pull complete 
5d5f41793421: Pull complete 
ed89ff0d9eb2: Pull complete 
Digest: sha256:0e773022cd6572a5153e5013afced0f7191652d3cdf9b1c6785eb13f6b2974b1
Status: Downloaded newer image for redis:latest
2f1f20f672e386a61644e1c08232ea34bdfd6a0c244b55fa833fcfd6dd207288

2.檢查映象

檢視映象

root@souyunku:~# docker images redis
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
redis               latest              1e70071f4af4        4 weeks ago         107MB

檢視映象程式

root@souyunku:~# docker ps
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES
2f1f20f672e3        redis               "docker-entrypoint.s…"   14 seconds ago      Up 14 seconds       0.0.0.0:6379->6379/tcp   redis-6379

檢視容器程式

root@souyunku:~# docker container ps
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES
2f1f20f672e3        redis               "docker-entrypoint.s…"   7 minutes ago       Up 7 minutes        0.0.0.0:6379->6379/tcp   redis-6379

3.測試Redis服務

通過 redis-cli 連線Redis 服務，測試儲存資料

root@souyunku:~# docker run -it --link redis-6379:redis --rm redis redis-cli -h redis -p 6379
redis:6379> set count 1
OK
redis:6379> get count
"1"
redis:6379> exit
root@souyunku:~#

三、Java 環境準備

注意:閱讀以下步驟！！！

1.Java 環境是為了，編譯Github Maven SpringBoot 示例專案，準備
2.或者自己在本地編譯好上傳也行，那麼以下Java 環境，安裝:Jdk,Maven,Git,就可以不用配置

1.安裝 Jdk

下載JDK 方式：1

下載Linux環境下的jdk1.8，請去（官網）中下載jdk的安裝檔案

http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

下載JDK 方式：2

我在百度雲盤分下的連結：http://pan.baidu.com/s/1jIFZF9s 密碼：u4n4

下載JDK 方式：3

使用wget下載，

$ wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u141-b15/336fa29ff2bb4ef291e347e091f7f4a7/jdk-8u141-linux-x64.tar.gz"

注意，如果使用：下載JDK 方式：3

那麼以下步驟的，jdk1.8.0_144替換成jdk1.8.0_141

開始安裝

上傳在 /opt 目錄

解壓

$ cd /opt
$ tar zxvf jdk-8u144-linux-x64.tar.gz
$ mv jdk1.8.0_144/ /lib/jvm

配置環境變數

$ vi /etc/profile

#jdk
export JAVA_HOME=/lib/jvm
export JRE_HOME=${JAVA_HOME}/jre   
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib   
export PATH=${JAVA_HOME}/bin:$PATH

使環境變數生效

$ source /etc/profile

驗證

root@souyunku:~# java -version
java version "1.8.0_141"
Java(TM) SE Runtime Environment (build 1.8.0_141-b15)
Java HotSpot(TM) 64-Bit Server VM (build 25.141-b15, mixed mode)

2.安裝 Maven

$ apt-get install maven

驗證Maven

root@souyunku:~# mvn -v
Apache Maven 3.3.9
Maven home: /usr/share/maven
Java version: 1.8.0_141, vendor: Oracle Corporation
Java home: /lib/jvm/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "4.10.0-35-generic", arch: "amd64", family: "unix"

3.安裝 Git

$ apt-get install git

驗證Maven

root@souyunku:~# git --version
git version 2.11.0

四、專案準備

1.編譯專案

1.自己在伺服器Maven編譯專案

使用 git 克隆專案

$ git clone https://github.com/souyunku/other-projects.git

使用 maven 編譯專案

$ cd other-projects/docker-spring-boot-demo/

2.修改專案

修改 Redis 伺服器地址spring.redis.host=45.32.44.217,為本地IP, 在執行 Redis 映象時候已經把 Redis 做成外網服務了0.0.0.0:6379->6379/tcp

$ vi src/main/resources/application.properties

# Redis伺服器地址
spring.redis.host=45.32.44.217

$ mvn package

複製target/ 目錄下的docker-spring-boot-demo-0.0.1-SNAPSHOT.jar專案到/opt 目錄稍後會用到

$ cp target/docker-spring-boot-demo-0.0.1-SNAPSHOT.jar /opt/

2.自己在本地Maven編譯專案，然後上傳到/opt 目錄稍後會用到

修改application.properties 的 Redis 伺服器地址

other-projects/docker-spring-boot-demo/src/main/resources/application.properties

# Redis伺服器地址
spring.redis.host=45.32.44.217

五、編寫 Dockerfile

編寫 Dockerfile 基於java:8映象為基礎

$ cd /opt/
$ touch Dockerfile
$ vi Dockerfile

編輯內容個如下

# 基於哪個映象
FROM java:8

# 將本地資料夾掛載到當前容器
VOLUME /tmp

# 拷貝檔案到容器，也可以直接寫成ADD docker-spring-boot-demo-0.0.1-SNAPSHOT.jar /souyunku-app.jar
ADD docker-spring-boot-demo-0.0.1-SNAPSHOT.jar souyunku-app.jar
RUN bash -c `touch /souyunku-app.jar`

# 開放80埠
EXPOSE 80

# 配置容器啟動後執行的命令
ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/souyunku-app.jar"]

六、釋出專案

1.編譯映象

$ cd /opt/
$ docker build -t souyunku-app:v1 .

看到如下資訊，就證明你的Dockerfile寫的沒毛病，而且映象也編譯成功了

Sending build context to Docker daemon  18.72MB
Step 1/6 : 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 2/6 : VOLUME /tmp
 ---> Running in 0559a62b0cd5
Removing intermediate container 0559a62b0cd5
 ---> b1f3846913a4
Step 3/6 : ADD docker-spring-boot-demo-0.0.1-SNAPSHOT.jar souyunku-app.jar
 ---> 9f60dad5d2ac
Step 4/6 : RUN bash -c `touch /souyunku-app.jar`
 ---> Running in 39d5c09ab614
Removing intermediate container 39d5c09ab614
 ---> 2b691adf7922
Step 5/6 : EXPOSE 80
 ---> Running in 11a577437a23
Removing intermediate container 11a577437a23
 ---> 78815d6fe6b2
Step 6/6 : ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/souyunku-app.jar"]
 ---> Running in eca10fed3d02
Removing intermediate container eca10fed3d02
 ---> 8ec4e85a0f05
Successfully built 8ec4e85a0f05
Successfully tagged souyunku-app:v1

2.檢視映象

root@souyunku:/opt# docker images souyunku-app
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
souyunku-app        v1                  8ec4e85a0f05        2 minutes ago       681MB

3.執行映象

後臺守護程式執行，然後把容器埠對映到，外網埠80

root@souyunku:/opt# docker run --name MySpringBoot -d -p 80:80 souyunku-app:v1
e68d438603619e363883d4eae65d3918e1c3e00f867731207bccf06f5690dc64

4.檢視程式

檢視容器程式，可以看到redis 在 6379埠，MySpringBoot 專案在 80埠

root@souyunku:/opt# docker container ps
CONTAINER ID        IMAGE               COMMAND                  CREATED              STATUS              PORTS                    NAMES
e68d43860361        souyunku-app:v1     "java -Djava.securit…"   About a minute ago   Up About a minute   0.0.0.0:80->80/tcp       MySpringBoot
0f9646171edd        redis               "docker-entrypoint.s…"   39 minutes ago       Up 39 minutes       0.0.0.0:6379->6379/tcp   redis-6379

七、測試服務

瀏覽器訪問：http://127.0.0.1/,當然我沒有輸入127.0.0.1 我是在伺服器上直接做的，用的公網IP