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DockerÊÇÒ»ÖÖÇáÁ¿¼¶µÄÐéÄ⻯ÊÖÒÕ £¬ÔÚÏÖʵӦÓÃÖлñµÃÆÕ±éÓ¦Óà £¬¿ÉÊÇÔÚһЩÇéÐÎÏ £¬DockerÈÝÆ÷µÄÐÔÄÜ¿ÉÄÜ»á±äµÃ½ÏÁ¿µÍ £¬Òò´ËÐèÒª¾ÙÐÐÓÅ»¯¡£±¾ÎĽ«ÏÈÈÝһЩÓÅ»¯DockerÈÝÆ÷ÐÔÄܵÄÒªÁì £¬ÒÔ¼°ÏìÓ¦µÄ´úÂëʾÀý¡£

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DockerÈÝÆ÷µÄÐÔÄÜÖ÷Ҫȡ¾öÓÚËùʹÓõľµÏñ¡£Ê¹Óûù´¡¾µÏñ¿ÉÒÔ´ó´óÌá¸ßÈÝÆ÷ÐÔÄÜ¡£ÀýÈç £¬Ê¹ÓûùÓÚAlpine LinuxµÄ¾µÏñ¶ø²»ÊÇUbuntu¾µÏñ £¬¿ÉÒÔïÔÌ­´ó¾ÞϸС300MBµÄÈÝÆ÷Ìå»ý £¬´Ó¶øÌá¸ßÁËÆô¶¯ÈÝÆ÷µÄËÙÂÊ¡£

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# ʹÓÃAlpine Linux×÷Ϊ»ù´¡¾µÏñ
FROM alpine:latest

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ºÏÀíÉèÖÃÈÝÆ÷µÄ×ÊÔ´ÏÞÖÆ £¬¿ÉÒÔ¸üºÃµØ°ü¹ÜÈÝÆ÷µÄÐÔÄÜ¡£ÀýÈç £¬¿ÉÒÔʹÓÖcpuset-cpusÑ¡ÏîÏÞÖÆÈÝÆ÷ʹÓõÄÏà¶ÔCPUÊýÄ¿¡£±ðµÄ £¬¿ÉÒÔͨ¹ý–memoryÑ¡ÏîÉèÖÃÈÝÆ÷µÄÄÚ´æÏÞÖƶø²»ÊÇÈÃÆäÎÞÏÞÖƵØʹÓÃϵͳÄÚ´æ¡£

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# ÉèÖÃÈÝÆ÷ʹÓõÄcpuÊýÄ¿
docker run --cpuset-cpus=0,2,4 my_image

# ÉèÖÃÈÝÆ÷ÄÚ´æÏÞÖÆ
docker run -m 512m my_image

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# Dockerfile

FROM ubuntu:18.04 as build

 RUN apt-get update && apt-get install -y 
    build-essential 
    git

 FROM build as clone

 RUN git clone https://github.com/<username>/my_project.git 
    /usr/src/my_project

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# ʹÓÃKubernetes¾ÙÐÐÈÝÆ÷±àÅÅ
kubectl run myapp --image=my_image --port=80

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ÔÚDockerÈÝÆ÷ÔËÐÐÀú³ÌÖÐ £¬¿ÉÄ᷺ܻÆðÖÖÖÖÎÊÌ⡣ʹÓÃÈÕÖ¾¾ÛºÏ¹¤¾ß¿ÉÒÔÀû±ãµØÉó²éDockerÈÝÆ÷µÄÔËÐÐ״̬ £¬´Ó¶ø¸ü¿ìµØɨ³ýÎÊÌâ £¬Ìá¸ßÐÔÄÜ¡£

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# ʹÓÃELK¾ÙÐÐÈÕÖ¾¾ÛºÏ
docker run -p 5601:5601 -p 9200:9200 -p 5044:5044 -d 
    -v /path/to/log:/usr/share/logstash/data 
    sebp/elk

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