Your Docker image may be broken and you don't even know it
YOUR DOCKER IMAGE MIGHT BE BROKEN without you knowing it Learn the right way to build your Dockerfile. You learned about Docker. It's awesome and you're excited. You go and create a Dockerfile: FROM ubuntu:16.04 RUN apt-get install all_my_dependencies ADD my_app_files /my_app CMD ["/my_app/start.sh"] Cool, it seems to work. Pretty easy, right? Not so fast. You just built a container which contains
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今ã¾ã§ã„ã‚ã„ã‚触ã£ã¦ãã¦ï¼ŒDockerãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å‘¨ã‚Šã«é–¢ã—ã¦ã¯ä½•ã¨ãªãã¯ç†è§£ã—ã¦ã„ãŸãŒï¼Œäººã«èª¬æ˜Žã§ãã‚‹ã»ã©ç†è§£ã—ã¦ãªã‹ã£ãŸã®ã§ã¾ã¨ã‚ã¦ãŠã．基本ã¯ï¼ŒAdvanced networking - Docker DocumentationãŒãƒ™ãƒ¼ã‚¹ã«ãªã£ã¦ã„る． 仮想ブリッジã®ä»•çµ„ã¿ Dockerã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã¯ï¼Œä»®æƒ³ãƒ–リッジdocker0を通ã˜ã¦ç®¡ç†ã•ã‚Œï¼Œä»–ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã¨ã¯éš”離ã•ã‚ŒãŸç’°å¢ƒã§å‹•ä½œã™ã‚‹ï¼Ž Dockerデーモンを起動ã™ã‚‹ã¨ï¼Œ 仮想ブリッジdocker0ã®ä½œæˆ ホストã®æ—¢å˜ãƒ«ãƒ¼ãƒˆã‹ã‚‰ã®ç©ºãã®IPアドレス空間を検索 空ãã‹ã‚‰ç‰¹å®šã®ç¯„囲ã®IPアドレス空間をå–å¾— å–å¾—ã—ãŸIPアドレス空間をdocker0ã«å‰²ã‚Šå½“㦠ãŒè¡Œã‚れる． コンテナを起動ã™ã‚‹ã¨ï¼Œã‚³ãƒ³ãƒ†ãƒŠã«ã¯ä»¥ä¸‹ãŒå‰²ã‚Šå½“ã¦ã‚‰ã‚Œã‚‹ï¼Ž docker0ã«ç´ã¥ã„ãŸveth（Virtual Ethernet）インターフェース docker0ã«å‰²ã‚Š
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