Docker: speed up SBT image. (Getting org.scala-sbt sbt 1.2.6 (this may take some time)…)










1















I use hseeberger/scala-sbt Docker image.



When I run this image like:



docker run -it 
-v `pwd`:/root
hseeberger/scala-sbt sbt test


It takes a long time for this:



Getting org.scala-sbt sbt 1.2.6 (this may take some time)...


What I don't understand is that this image already defines that the SBT-Version is 1.2.6 as well as my project does?










share|improve this question






















  • Without having a closer look. docker diff might give you a hint what is going on.

    – TobiSH
    Nov 15 '18 at 13:24















1















I use hseeberger/scala-sbt Docker image.



When I run this image like:



docker run -it 
-v `pwd`:/root
hseeberger/scala-sbt sbt test


It takes a long time for this:



Getting org.scala-sbt sbt 1.2.6 (this may take some time)...


What I don't understand is that this image already defines that the SBT-Version is 1.2.6 as well as my project does?










share|improve this question






















  • Without having a closer look. docker diff might give you a hint what is going on.

    – TobiSH
    Nov 15 '18 at 13:24













1












1








1








I use hseeberger/scala-sbt Docker image.



When I run this image like:



docker run -it 
-v `pwd`:/root
hseeberger/scala-sbt sbt test


It takes a long time for this:



Getting org.scala-sbt sbt 1.2.6 (this may take some time)...


What I don't understand is that this image already defines that the SBT-Version is 1.2.6 as well as my project does?










share|improve this question














I use hseeberger/scala-sbt Docker image.



When I run this image like:



docker run -it 
-v `pwd`:/root
hseeberger/scala-sbt sbt test


It takes a long time for this:



Getting org.scala-sbt sbt 1.2.6 (this may take some time)...


What I don't understand is that this image already defines that the SBT-Version is 1.2.6 as well as my project does?







docker sbt






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 15 '18 at 11:28









pmepme

2,77311427




2,77311427












  • Without having a closer look. docker diff might give you a hint what is going on.

    – TobiSH
    Nov 15 '18 at 13:24

















  • Without having a closer look. docker diff might give you a hint what is going on.

    – TobiSH
    Nov 15 '18 at 13:24
















Without having a closer look. docker diff might give you a hint what is going on.

– TobiSH
Nov 15 '18 at 13:24





Without having a closer look. docker diff might give you a hint what is going on.

– TobiSH
Nov 15 '18 at 13:24












2 Answers
2






active

oldest

votes


















1














It's probably because you sbt is being lazy, and will actually download some of the jars only when it needs them (when sbt is first run).



If you want to speed it up. You can use this image as a base image in your Dockerfile (FROM hseeberger/scala-sbt) and run sbt test once without a test project, so it download the JARs.






share|improve this answer






























    1














    If you wanna stick on sbt 1.2.6 you can just use the latest version hseeberger/scala-sbt which is 11.0.1_2.12.7_1.2.6.



    docker pull hseeberger/scala-sbt:11.0.1_2.12.7_1.2.6


    The version number contains of the openjdk version (11.0.1), the scala version (2.12.7) and the sbt version (1.2.6). If that's all you need there is no need to reinvent the wheel :-D






    share|improve this answer























    • thanks - now I have 2 solutions for my problem;)

      – pme
      Nov 15 '18 at 15:43










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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    1














    It's probably because you sbt is being lazy, and will actually download some of the jars only when it needs them (when sbt is first run).



    If you want to speed it up. You can use this image as a base image in your Dockerfile (FROM hseeberger/scala-sbt) and run sbt test once without a test project, so it download the JARs.






    share|improve this answer



























      1














      It's probably because you sbt is being lazy, and will actually download some of the jars only when it needs them (when sbt is first run).



      If you want to speed it up. You can use this image as a base image in your Dockerfile (FROM hseeberger/scala-sbt) and run sbt test once without a test project, so it download the JARs.






      share|improve this answer

























        1












        1








        1







        It's probably because you sbt is being lazy, and will actually download some of the jars only when it needs them (when sbt is first run).



        If you want to speed it up. You can use this image as a base image in your Dockerfile (FROM hseeberger/scala-sbt) and run sbt test once without a test project, so it download the JARs.






        share|improve this answer













        It's probably because you sbt is being lazy, and will actually download some of the jars only when it needs them (when sbt is first run).



        If you want to speed it up. You can use this image as a base image in your Dockerfile (FROM hseeberger/scala-sbt) and run sbt test once without a test project, so it download the JARs.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 15 '18 at 14:44









        Uku LoskitUku Loskit

        30.7k86980




        30.7k86980























            1














            If you wanna stick on sbt 1.2.6 you can just use the latest version hseeberger/scala-sbt which is 11.0.1_2.12.7_1.2.6.



            docker pull hseeberger/scala-sbt:11.0.1_2.12.7_1.2.6


            The version number contains of the openjdk version (11.0.1), the scala version (2.12.7) and the sbt version (1.2.6). If that's all you need there is no need to reinvent the wheel :-D






            share|improve this answer























            • thanks - now I have 2 solutions for my problem;)

              – pme
              Nov 15 '18 at 15:43















            1














            If you wanna stick on sbt 1.2.6 you can just use the latest version hseeberger/scala-sbt which is 11.0.1_2.12.7_1.2.6.



            docker pull hseeberger/scala-sbt:11.0.1_2.12.7_1.2.6


            The version number contains of the openjdk version (11.0.1), the scala version (2.12.7) and the sbt version (1.2.6). If that's all you need there is no need to reinvent the wheel :-D






            share|improve this answer























            • thanks - now I have 2 solutions for my problem;)

              – pme
              Nov 15 '18 at 15:43













            1












            1








            1







            If you wanna stick on sbt 1.2.6 you can just use the latest version hseeberger/scala-sbt which is 11.0.1_2.12.7_1.2.6.



            docker pull hseeberger/scala-sbt:11.0.1_2.12.7_1.2.6


            The version number contains of the openjdk version (11.0.1), the scala version (2.12.7) and the sbt version (1.2.6). If that's all you need there is no need to reinvent the wheel :-D






            share|improve this answer













            If you wanna stick on sbt 1.2.6 you can just use the latest version hseeberger/scala-sbt which is 11.0.1_2.12.7_1.2.6.



            docker pull hseeberger/scala-sbt:11.0.1_2.12.7_1.2.6


            The version number contains of the openjdk version (11.0.1), the scala version (2.12.7) and the sbt version (1.2.6). If that's all you need there is no need to reinvent the wheel :-D







            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered Nov 15 '18 at 15:20









            TobiSHTobiSH

            1,5971226




            1,5971226












            • thanks - now I have 2 solutions for my problem;)

              – pme
              Nov 15 '18 at 15:43

















            • thanks - now I have 2 solutions for my problem;)

              – pme
              Nov 15 '18 at 15:43
















            thanks - now I have 2 solutions for my problem;)

            – pme
            Nov 15 '18 at 15:43





            thanks - now I have 2 solutions for my problem;)

            – pme
            Nov 15 '18 at 15:43

















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