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maxandersen/CreateWebserver.java

Forked from jmini/CreateWebserver.java
Created December 29, 2021 05:37
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  1. @jmini jmini created this gist Dec 28, 2021.
    44 changes: 44 additions & 0 deletions CreateWebserver.java
    View file
    Original file line number Diff line number Diff line change
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    ///usr/bin/env jbang "$0" "$@" ; exit $?
    //DEPS com.google.cloud.tools:jib-core:0.20.0

    import java.nio.charset.StandardCharsets;
    import java.nio.file.Files;
    import java.nio.file.Path;
    import java.util.Arrays;

    import com.google.cloud.tools.jib.api.Containerizer;
    import com.google.cloud.tools.jib.api.DockerDaemonImage;
    import com.google.cloud.tools.jib.api.Jib;
    import com.google.cloud.tools.jib.api.buildplan.AbsoluteUnixPath;

    // inspired by https://www.docker.com/blog/how-to-use-the-official-nginx-docker-image/
    // create the image with jbang: "jbang CreateWebserver.java"
    // run the image with "docker run -it --rm -d -p 8080:80 --name web webserver"
    public class CreateWebserver {

    public static void main(String... args) throws Exception {

    Path root = Files.createTempDirectory("tmp");
    Path htmlFolder = root.resolve("html");
    Files.createDirectories(htmlFolder);

    Path indexFile = htmlFolder.resolve("index.html");
    String content = ""
    + "<!doctype html>\n"
    + "<html lang=\"en\">\n"
    + "<head>\n"
    + " <meta charset=\"utf-8\">\n"
    + " <title>Docker Nginx</title>\n"
    + "</head>\n"
    + "<body>\n"
    + " <h2>Hello from Nginx container</h2>\n"
    + " <p>Created with jib</p>\n"
    + "</body>\n"
    + "</html>";
    Files.write(indexFile, content.getBytes(StandardCharsets.UTF_8));

    Jib.from("nginx:latest")
    .addLayer(Arrays.asList(htmlFolder), AbsoluteUnixPath.get("/usr/share/nginx/"))
    .containerize(Containerizer.to(DockerDaemonImage.named("webserver")));
    }
    }