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Hello, just started the LFS250, but issues on the first demo video

Posts: 9
in LFS250 Class Forum

Hi,
I tried to replicate what was done on Chapter 3 first video, using docker and podman.
Docker works flawless, even with Docker Desktop. When trying to do the same on a different Virtual Machine, I installed podman and also Podman Desktop. The command line:

  1. $ podman run --detach --publish-all nginx:latest 
  2. or
  3. $ podamn run --detach --publish-all nginx:1.20

Return this error:
Error: short-name "nginx:latest" did not resolve to an alias and no unqualified-search registries are defined in "/etc/containers/registries.conf"

I was able to solve the issue with:

  1. podman run --detach --publish-all docker.io/nginx:latest 
  2. Trying to pull docker.io/library/nginx:latest...
  3. Getting image source signatures
  4. Copying blob 943ea0f0c2e4 done   | 
  5. Copying blob 7cf63256a31a done   | 
  6. Copying blob d014f92d532d done   | 
  7. Copying blob 513c3649bb14 done   | 
  8. Copying blob bf9acace214a done   | 
  9. Copying blob 9dd21ad5a4a6 done   | 
  10. Copying blob 103f50cb3e9f done   | 
  11. Copying config b52e0b094b done   | 
  12. Writing manifest to image destination
  13. f5136ce53f384ac4e184cb702c29d024da41f1541f9cef9e051491883308d5a1

Comments

  • Posts: 9

    On Chapter 3 as well, following the Demo: Building Container Images

    This instructions, in the description would have been helpful:

    • create a working directory for your application and enter that directorr
      mkdir app1

    then

    1. git clone https://github.com/docker/getting-started-app.git
    2.  
    • Create your Dockerfile with the following content:
    1. FROM node:lts-alpine
    2. WORKDIR /app
    3. COPY . .
    4. RUN yarn install --production
    5. CMD ["node", "src/index.js"]
    6. EXPOSE 3000

    • enter the directory
      getting-started-app

    • run the command

    1. podman build -t getting-started2 . -f ../Dockerfile
    2.  

    • then run the command below to check your new image
      podman images

    • then run the container image:

    1. podman run -d -p 3000:3000 getting-started
    2.  
    • Then open your Browser and enter the text below on the URL field:
      localhost:3000

    Voilá

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