Docker deployment nginx
#1. Search image searchit is recommended to search from docker to see the help documents $ docker search nginx #2. Download Image $ docker pull nginx #3. Start the nginx container, - d run in the background, - name name the container, - P access the default port 80 of nginx through port 3344 of the host $ docker run -d --name nginx01 -p 3344:80 nginx #4. Start successfully when viewing $ docker ps #5. Operation test #6. Enter nginx container $ docker exec -it nginx01 /bin/bash #7. Stop nginx container # exit $docker stop nginx01 or container ID
Concept of port exposure
Every time you modify a file, you need to enter the container. It’s very troublesome. How can you provide a mapping path in the external container so that the file name can be modified automatically in the container when it is modified in the host computer?
-V data volume!
#Official use docker run -it --rm tomcat:9.0 #We started in the background before. After stopping the container, the container can still find docker run - it -- RM, which is generally used for testing, running out and deleting #Download and restart docker pull tomcat:9.0 #Start docker run -d -p 3355:8080 --name tomcat01 tomcat #There is no problem with the test access #Enter container docker exec -it tomcat01 /bin/bash #Problems found: 1. There are few linux commands, 2. There are no webapps. Alibaba images are the smallest images by default, so unnecessary images are eliminated #Guaranteed minimum operational environment #Display the page and copy the file under webapps.dist to the webapps directory cp -r webapps.dist/* webapps
#Es exposes many ports #Es consumes a lot of memory #Es data generally needs to be placed in the security directory! mount
#-- net somenetwork network configuration $ docker run -d --name elasticsearch --net somenetwork -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" elasticsearch:tag #Download start $ docker run -d --name elasticsearch -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" elasticsearch:7.6.2 #When you start Linux, it gets stuck $docker stats view CPU status #Modify profile -e environment configuration $ docker run -d --name elasticsearch -p 9200:9200 -p 9300:9300 -e ES_JAVA_OPTS="-Xms64m -Xmx512m" elasticsearch:7.6.2
How to use kibana to connect es and how to connect the network.
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