Ktor 部署攻略 - 老派 Fat Jar 大法
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The document provides instructions for creating and deploying a Ktor fat JAR application using Gradle, including setting up the environment with Java, Gradle, and Kotlin. It also details the configuration of Nginx to serve the application and manage SSL certificates with Certbot. The instructions include specific command-line actions for provisioning, building, and running the application on a Linux server.
![Serveice
—
[Unit]
Description=Ktor App
After=syslog.target
After=network.target[Service]
[Service]
ExecStart=/.../java -jar /.../*.jar
Restart=always
StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=...
[Install]
WantedBy=multi-user.target](https://image.slidesharecdn.com/ktordeploymentinaction-thefatjarway-201027050402/85/Ktor-Fat-Jar-18-320.jpg)
![—
$ systemctl daemon-reload
$ systemctl start [service-name]
$ systemctl enable [service-name]
$ systemctl status [service-name]](https://image.slidesharecdn.com/ktordeploymentinaction-thefatjarway-201027050402/85/Ktor-Fat-Jar-19-320.jpg)
![Nginx
—
$ vim /etc/nginx/sites-available/[site-name]](https://image.slidesharecdn.com/ktordeploymentinaction-thefatjarway-201027050402/85/Ktor-Fat-Jar-20-320.jpg)
![Nginx
—
server {
listen 80;
listen [::]:80;
server_name ...;
location / {
proxy_pass http://localhost:8080/;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-Port $server_port;
}
}](https://image.slidesharecdn.com/ktordeploymentinaction-thefatjarway-201027050402/85/Ktor-Fat-Jar-21-320.jpg)
![Nginx
—
$ ln -s /etc/nginx/sites-available/[site-name]
/etc/nginx/sites-enabled/
$ nginx -t
$ systemctl restart nginx](https://image.slidesharecdn.com/ktordeploymentinaction-thefatjarway-201027050402/85/Ktor-Fat-Jar-22-320.jpg)
![SSL
—
$ add-apt-repository
ppa:certbot/certbot
$ apt install python-certbot-nginx
$ systemctl reload nginx
$ certbot --nginx -d [site-url]](https://image.slidesharecdn.com/ktordeploymentinaction-thefatjarway-201027050402/85/Ktor-Fat-Jar-23-320.jpg)
Ktor 部署攻略 - 老派 Fat Jar 大法
- 1. Ktor Fat Jar — (shengyou) Kotlin Ktor 2020/10/18
- 2. — • Developer Advocate • Backend Developer • Open Source Community Organizer
- 3. — • Ktor • Ktor • Fat Jar •
- 4. — / /
- 5. — / /
- 8. Shadow Plugin — // gradle.properties shadow_version=5.1.0 // build.gradle buildscript { // ... dependencies { classpath "...:shadow:$shadow_version" } } // ... apply plugin: 'com.github.johnrengelman.shadow' // ... shadowJar { manifest { attributes 'Main-Class': mainClassName } }
- 10. Run artifact — $ cd build/libs/ $ export PORT=* && java -jar *.jar
- 12. — $ apt update $ apt upgrade
- 13. — $ apt install vim curl wget git zip unzip software-properties-common
- 14. SDK — $ curl -s "https://get.sdkman.io" | bash $ source "/root/.sdkman/bin/sdkman-init.sh" $ sdk install java 11.0.7.hs-adpt $ sdk install gradle $ sdk install kotlin $ java --version $ gradle --version
- 15. Nginx — $ apt-add-repository ppa:nginx/development -y $ apt-get install -y --allow-downgrades --allow-remove-essential --allow-change-held-packages nginx
- 16. Linux — 1. App Linux 2. 3. SSL
- 18. Serveice — [Unit] Description=Ktor App After=syslog.target After=network.target[Service] [Service] ExecStart=/.../java -jar /.../*.jar Restart=always StandardOutput=syslog StandardError=syslog SyslogIdentifier=... [Install] WantedBy=multi-user.target
- 19. — $ systemctl daemon-reload $ systemctl start [service-name] $ systemctl enable [service-name] $ systemctl status [service-name]
- 21. Nginx — server { listen 80; listen [::]:80; server_name ...; location / { proxy_pass http://localhost:8080/; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Forwarded-Proto $scheme; proxy_set_header X-Forwarded-Port $server_port; } }
- 22. Nginx — $ ln -s /etc/nginx/sites-available/[site-name] /etc/nginx/sites-enabled/ $ nginx -t $ systemctl restart nginx
- 23. SSL — $ add-apt-repository ppa:certbot/certbot $ apt install python-certbot-nginx $ systemctl reload nginx $ certbot --nginx -d [site-url]
- 24. … — • / • DNS •
- 25. — • Ktor Fat Jar • JVM Nginx • Ktor Linux Service • Nginx Service SSL
- 26. — • GCP - DevFest HK 2020 • Heroku - • - (https://ktor.io/docs/deploy.html)
- 28. Shengyou Fan ( ) shengyou.fan@jetbrains.com Q&A — Ktor Fat Jar