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Running Docker on a Server
vscode.and.docker

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  • Publish container ports to external facing server ports
  • For tools that are infrequently needed, you can rely on Docker containers to provide without installing tools on your server.

Run any version of python regardless of the local server installation

Run the latest version

docker run --rm -it python

Python 3.9.1 (default, Jan 12 2021, 16:45:25) 
[GCC 8.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> exit()

Run python 2

docker run --rm -it python:2

Python 2.7.18 (default, Apr 20 2020, 19:27:10) 
[GCC 8.3.0] on linux2
Type "help", "copyright", "credits" or "license" for more information.
Use exit() or Ctrl-D (i.e. EOF) to exit
>>> exit()

Run a python program

examples/session3/hello/hello.py

Mount a file to pass it to the interpreter

docker run --rm -it -v "$(pwd)/examples/session3/hello/:/code" python:2 python /code/hello.py 

hello world

Run any version of ruby

Run the latest version

docker run --rm -it ruby

irb(main):002:0> RUBY_VERSION
=> "3.0.0"
irb(main):003:0> exit

Run an old version

docker run --rm -it ruby:2.1

iirb(main):001:0> RUBY_VERSION
=> "2.1.10"
irb(main):002:0> exit

Run a ruby program

examples/session3/hello/hello.rb

docker run --rm -it -v "$(pwd)/examples/session3/hello/:/code" ruby:2.1 ruby /code/hello.rb 

hello world

Run any version of Java

Run the latest version of java

docker run --rm -it openjdk javac -version

javac 15.0.2

Run an old version of java

docker run --rm -it openjdk:8 javac -version

javac 1.8.0_275

Compile and run a java program

examples/session3/hello/java/Hello.java

Compile a program - note that the class file is saved to your local volume mount

docker run --rm -it -v "$(pwd)/examples/session3/hello:/code" openjdk:8 javac /code/java/Hello.java

Run a compiled program - note that the class file is saved to your local volume mount

docker run --rm -it -v "$(pwd)/examples/session3/hello:/code" openjdk:8 java -cp /code/java Hello

Hello world

Compile and run a java program using a Java 15 Feature

Compile with Java 8

docker run --rm -it -v "$(pwd)/examples/session3/hello:/code" openjdk:8 javac /code/java/HelloWithTextBlock.java

/code/java/HelloWithTextBlock.java:3: error: unclosed string literal
        String str = """
                       ^
/code/java/HelloWithTextBlock.java:4: error: not a statement
              Hello, world. 
              ^
/code/java/HelloWithTextBlock.java:4: error: ';' expected
              Hello, world. 
                   ^
/code/java/HelloWithTextBlock.java:5: error: ';' expected
              This string has been generated from inside of a Java 13 Text Block 
                         ^
/code/java/HelloWithTextBlock.java:5: error: ';' expected
              This string has been generated from inside of a Java 13 Text Block 
                                  ^
/code/java/HelloWithTextBlock.java:5: error: ';' expected
              This string has been generated from inside of a Java 13 Text Block 
                                                 ^
/code/java/HelloWithTextBlock.java:5: error: ';' expected
              This string has been generated from inside of a Java 13 Text Block 
                                                           ^
/code/java/HelloWithTextBlock.java:5: error: ';' expected
              This string has been generated from inside of a Java 13 Text Block 
                                                                  ^
/code/java/HelloWithTextBlock.java:5: error: ';' expected
              This string has been generated from inside of a Java 13 Text Block 
                                                                                ^
/code/java/HelloWithTextBlock.java:6: error: not a statement
              What do you think of the new feature?
              ^
/code/java/HelloWithTextBlock.java:6: error: ';' expected
              What do you think of the new feature?
                  ^
/code/java/HelloWithTextBlock.java:6: error: ';' expected
              What do you think of the new feature?
                               ^
/code/java/HelloWithTextBlock.java:6: error: variable declaration not allowed here
              What do you think of the new feature?
                          ^
/code/java/HelloWithTextBlock.java:6: error: '(' expected
              What do you think of the new feature?
                                  ^
/code/java/HelloWithTextBlock.java:6: error: '(' or '[' expected
              What do you think of the new feature?
                                                  ^
/code/java/HelloWithTextBlock.java:7: error: unclosed string literal
              """;
                ^
/code/java/HelloWithTextBlock.java:7: error: ')' expected
              """;
                  ^
/code/java/HelloWithTextBlock.java:8: error: ';' expected
        System.out.println(str);
              ^
18 errors

Compile/Run with Java 15

Compile with java 15

docker run --rm -it -v "$(pwd)/examples/session3/hello:/code" openjdk:15 javac /code/java/HelloWithTextBlock.java

Run with java 15

docker run --rm -it -v "$(pwd)/examples/session3/hello:/code" openjdk:15 java -cp /code/java HelloWithTextBlock

Hello, world.
This string has been generated from inside of a Java 15 Text Block
What do you think of the new feature?

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