1. DockerïŒããã«ãŒïŒã®åºæ¬çãªæŠå¿µ
DockerïŒããã«ãŒïŒ</strong >ã¯ããœãããŠã§ã¢éçºãéçšã«ãããç°å¢æ§ç¯ãé åžæ¹æ³ãå¹ççã«è¡ããããŒã«ãšããŠãè¿å¹ŽãŸããŸããã®éèŠæ§ãèªèãããŠããŸãã以äžã§ã¯ãDockerïŒããã«ãŒïŒã«é¢ããåºæ¬çãªæŠå¿µã解説ããŸãã
1.1 DockerïŒããã«ãŒïŒãšã¯
DockerïŒããã«ãŒïŒãšã¯ãã³ã³ããåã®ä»®æ³ç°å¢ãæäŸãããªãŒãã³ãœãŒã¹ã®ãã©ãããã©ãŒã </strong >ã§ããDockerã®ç¹æ§ãããŸã掻çšããããšã§ãéçºç°å¢ãæ¬çªç°å¢ã®æ§ç¯ãå¹ççã«è¡ããŸãã
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1.2 DockerïŒããã«ãŒïŒã®æŽå²
Dockerã¯ã2013幎ã«ç±³åœã®å°åäŒæ¥ dotCloud (çŸ Docker Inc.)
ã«ãã£ãŠéçºã»å
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éšäœ¿çšã®ããŒã«ã ã£ã Docker
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¬éæ¹éã転æããã®ããšã«ããäžèºæ³šç®ã济ã³ãããšãšãªããŸããã
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åã¯äŒããããå€ãã®äŒæ¥ãéçºè
ã«æ¡çšãããŠããŸããããŸããCloud
Native Computing
FoundationïŒCNCFïŒã«ãã£ãŠãDockerãšäºææ§ãæã€ã³ã³ããã©ã³ã¿ã€ã ã®ãªãŒãã³ãœãŒã¹ãããžã§ã¯ããcontainerdããéçºãããŠããŸãã
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1.3 DockerïŒããã«ãŒïŒã®ç¹åŸŽ
Dockerã®æ倧ã®ç¹åŸŽã¯ãã¢ããªã±ãŒã·ã§ã³ãšãã®çšŒåç°å¢ãã²ãšã€ã®ãã³ã³ããããšããåäœã§ããã±ãŒãžåã§ããç¹ã§ããããã«ãããéçºç°å¢ãæ¬çªç°å¢ã§ã®“ããã¯åãã®ã«ããªãããã§ã¯åããªã”ãšããåé¡ãç¡ããããšãå¯èœãšãªããŸããã
ãŸããDockerã€ã¡ãŒãžãšãã圢ã§ã³ã³ããã®èšå®ãä¿åã»åå©çšããããšãã§ãããããåãèšå®ã®ã³ã³ãããç°¡åã«äœãåºãããšãå¯èœã§ãã
ããã«ãã³ã³ããåäœã§ã®åäœãåæãšããããšã§ãã¹ã±ãŒã©ããªãã£ãå¯æ¬æ§ãé«ãŸããè² è·ç¶æ³ã«å¿ããæè»ãªéçšãå¯èœãšãªããªã©ãDockerã®ç¹åŸŽã¯å€å²ã«ããããŸãã</strong >
1.4 DockerïŒããã«ãŒïŒã®åºæ¬çãªéçšæ¹æ³
Dockerã®åºæ¬çãªéçšæ¹æ³ãšããŠã¯ããŸãDockerã€ã¡ãŒãžïŒã³ã³ããã®èšå®æ
å ±ïŒãããŠã³ããŒããŸãã¯äœæããŸãã</strong >
Dockerã€ã¡ãŒãžã¯DockerHubãšãããããªãã¯ãªã¬ãžã¹ããªããååŸã§ããã»ããèªèº«ã§å®çŸ©ããŠäœæããããšãå¯èœã§ãã
Dockerã€ã¡ãŒãžãçšæã§ãããããããåºã«ã³ã³ãããç«ã¡äžããŸããã³ã³ããå ã§ã¯ç¬èªã®å®è¡ç°å¢ãæäŸããããããæ¢åã®ã·ã¹ãã ã«åœ±é¿ãäžããããšãªãã¢ããªã±ãŒã·ã§ã³ã皌åãããããšãå¯èœã§ãã
ãŸããDockerã«ã¯DockerfileãšããæŠå¿µããããããã䜿çšããããšã§ã³ã³ããã®èšå®ãå®è¡åŠçãèªååããããšãå¯èœã§ããDockerfileãå©çšããã°ãè€éãªèšå®ãä¿åã»åçŸããããšãåºæ¥ãŸãã
2. DockerïŒããã«ãŒïŒã®å©ç¹
Dockerã®é åãäžèšã§è¿°ã¹ããªãã°ãããã¯ãç°å¢æ§ç¯ãšéçšã®ç»æçãªç°¡çŽ åãã§ãããããã®å ŽãåããŠãDockerã®äž»èŠãªå©ç¹ã4ã€ã«åããŠè©³ããè¿°ã¹ãããšæããŸãã
2.1 ããŒãžã§ã³ç®¡çãšåçŸæ§
Dockerã®äžã€ç®ã®åªããç¹ã¯ãããŒãžã§ã³ç®¡çãšåçŸæ§ã§ãã
Dockerã¯ã³ã³ããåã«ããéçºç°å¢ãäžå
管çãããã®ç¶æ
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ã³ã³ããå ã®ç°å¢ã¯Dockerfileãšããèšå®ãã¡ã€ã«ã«ãã£ãŠç®¡çããããããããŒãžã§ã³ç®¡çã·ã¹ãã ãšçµã¿åãããããšã§ãéå»ã®ç°å¢ãæ£ç¢ºã«åçŸã§ããŸããããã¯ãã¹ãã®äžè²«æ§ãä¿ã€ããã«éåžžã«æçšã§ãã
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2.2 ç°å¢éãã«ããåé¡ã®è§£æ¶
Dockerã®äºã€ç®ã®å©ç¹ã¯ãç°å¢éãã«ããåé¡ã®è§£æ¶èœåã§ãã
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ãªã誰ãããçµéšããããšãããã§ããããããããDockerãçšããããšã§ãã®åé¡ã解æ¶ã§ããŸãã
Dockerã䜿çšãããšãäžåºŠäœæããã³ã³ããããã®ãŸãŸä»ã®ãã·ã³ã«ç§»è¡ããããã®ç°å¢ã§å šãåãçµæãåŸãããšãã§ããŸããOSãããã«ãŠã§ã¢ãã©ã€ãã©ãªãªã©ã®ããŒãžã§ã³éãã解æ¶ãããã³ãŒããäžèŽããŠããã°å¿ ãåãçµæãåŸãããšãã§ãããããç°å¢éãã«ããåé¡ããªããªããŸãã
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2.3 ããã»ã¹éé¢ã«ããã»ãã¥ãªãã£ãšããã©ãŒãã³ã¹åäž
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šã«éçšã§ããŸãã
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2.4 ãªãœãŒã¹ã®å¹ççãªæŽ»çš
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Dockerã®ã³ã³ããã¯OSã®ã«ãŒãã«ãå ±æããã¢ããªã±ãŒã·ã§ã³ã®å®è¡ã«å¿ èŠãªã©ã€ãã©ãªãããŒã«ã ããå«ãã§ããŸããããã«ãããã³ã³ããã®èµ·åãéåžžã«é«éã§ããããªãœãŒã¹ã®æ¶è²»ãå°ãªããªããŸãã
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3. DockerïŒããã«ãŒïŒãå°å ¥ãã¹ãçç±
çŸä»£ã®éçºæ¥çã§è©äŸ¡ãããŠããDockerïŒããã«ãŒïŒããã®çç±ãšã¯äœã§ãããããéçºç°å¢ã®çµ±äžã®å®¹æããã€ã³ãã©ã®ã³ãŒãåã«ããéçšå¹çã®åäžãã¯ã©ãŠããšã®èŠªåæ§ããããŠå€§èŠæš¡éçºã«ãããã¹ã±ãŒã©ããªãã£ãããããã®èŠçŽ ã¯Dockerå°å ¥ãæ¯ããæ ¹æ ãšãªããŸããå ·äœçã«èŠãŠãããŸãããã
3.1 éçºç°å¢ã®çµ±äžã®å®¹æã
Dockerã掻çšããããšã§éçºç°å¢ãçµ±äžããããšã容æã«ãªããŸãã</strong >åŸæ¥ãåéçºè ãèªåã®ããŒã«ã«ç°å¢ã§éçºãè¡ãããã®ç°å¢ã¯éçºè éã§ç°ãªã£ãŠããŸãããããã«ããããç§ã®PCã§ã¯åãã®ã«ãä»ã®PCã§ã¯åããªãããšããåé¡ãçºçããŠããŸãããããããDockerãå©çšããããšã§ãã®åé¡ã解æ¶ããåãéçºç°å¢ã§ã®éçºãå¯èœãšããŸãã</strong >
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3.2 ã€ã³ãã©ã®ã³ãŒãåã«ããéçšå¹çã®åäž
Dockerã®äžã€ã®åŒ·ã¿ã§ãããã€ã³ãã©ã®ã³ãŒãåãã¯éçšå¹çã®åäžã«å€§ããå¯äžããŸããåŸæ¥ãã·ã¹ãã ã®éçšã»ä¿å®ã«ã¯äººã®æã«ããäœæ¥ãå€ãããã¹ã®å ãæéã®ç¡é§ãçããŠããŸãããããããDockerã§ã¯ã€ã³ãã©ãã®ãã®ãã³ãŒãã§ç®¡çããããšã§ãããã®åé¡ã解æ¶ããéçšã®èªååãå¹çåãå®çŸããŸãã</strong >
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3.3 ã¯ã©ãŠããšã®èŠªåæ§
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3.4 倧èŠæš¡éçºã«ãããã¹ã±ãŒã©ããªãã£
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4. DockerïŒããã«ãŒïŒã®å°å ¥ã«ããã泚æç¹
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å šãŠã®èŠçŽ ãææ¡ããé©åã«å¯ŸåŠããããšã§ããã©ãã«ãæªç¶ã«é²ããDockerã®æ©èœãæ倧éã«æŽ»çšããããšãå¯èœãšãªãã®ã§ãã
以äžã«ãå°å ¥ããéã®æ³šæç¹ãå ·äœçã«è§£èª¬ããŸãã
4.1 容é管çã®éèŠæ§
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4.2 ã»ãã¥ãªãã£é¢ãžã®é æ ®
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4.4 åŠç¿ã³ã¹ããšããŒã«éžå®
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5. DockerïŒããã«ãŒïŒå°å ¥ã®ã¹ããã
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