Episodes
rgaufman PRO said almost 2 years ago on Ruby on Docker :
How does the performance of this compared to running ruby and packages like mongo direct on Mac natively on M1? - I'm quite impressed how well rails runs natively on these new MacBooks.

David Kimura PRO said almost 2 years ago on Ruby on Docker :
  I just ran some benchmarks and they're pretty interesting. The M1 does have some overhead in Docker, but is still very performant.  Even running Ruby in Docker on the M1 is faster than the Mac Pro 8-Core. 

Apple M1 (Host Ruby ARM)

Warming up --------------------------------------
                 for     5.000  i/100ms
               times     5.000  i/100ms
                upto     4.000  i/100ms
Calculating -------------------------------------
                 for     51.465  (± 0.0%) i/s -    260.000  in   5.052005s
               times     49.005  (± 0.0%) i/s -    250.000  in   5.101558s
                upto     48.883  (± 0.0%) i/s -    248.000  in   5.073392s

Comparison:
                 for:       51.5 i/s
               times:       49.0 i/s - 1.05x  (± 0.00) slower
                upto:       48.9 i/s - 1.05x  (± 0.00) slower

Apple M1 (Docker Ruby ARM)

Warming up --------------------------------------
                 for     3.000  i/100ms
               times     4.000  i/100ms
                upto     4.000  i/100ms
Calculating -------------------------------------
                 for     36.880  (± 0.0%) i/s -    186.000  in   5.043469s
               times     42.139  (± 0.0%) i/s -    212.000  in   5.031015s
                upto     42.166  (± 0.0%) i/s -    212.000  in   5.027795s

Comparison:
                upto:       42.2 i/s
               times:       42.1 i/s - 1.00x  (± 0.00) slower
                 for:       36.9 i/s - 1.14x  (± 0.00) slower

Mac Pro 8-Core (Host Ruby x86)

Warming up --------------------------------------
                 for     2.000  i/100ms
               times     2.000  i/100ms
                upto     2.000  i/100ms
Calculating -------------------------------------
                 for     28.364  (± 3.5%) i/s -    142.000  in   5.011655s
               times     28.477  (± 3.5%) i/s -    144.000  in   5.059955s
                upto     28.810  (± 3.5%) i/s -    144.000  in   5.002301s

Comparison:
                upto:       28.8 i/s
               times:       28.5 i/s - same-ish: difference falls within error
                 for:       28.4 i/s - same-ish: difference falls within error

Mac Pro 8-Core (Docker Ruby x86)

Warming up --------------------------------------
                 for     3.000  i/100ms
               times     3.000  i/100ms
                upto     3.000  i/100ms
Calculating -------------------------------------
                 for     34.549  (± 2.9%) i/s -    174.000  in   5.043895s
               times     35.430  (± 2.8%) i/s -    177.000  in   5.000668s
                upto     35.783  (± 2.8%) i/s -    180.000  in   5.036034s

Comparison:
                upto:       35.8 i/s
               times:       35.4 i/s - same-ish: difference falls within error
                 for:       34.5 i/s - same-ish: difference falls within error

marekbc said over 1 year ago on Ruby on Docker :
to reduce Docker image size on line 2 in Dockerfile one can use:

FROM ruby:$RUBY_VERSION-slim-buster
instead of 
FROM ruby:$RUBY_VERSION



gabi PRO said 7 months ago on Ruby on Docker :
Hi,

I'm hitting this error when following along and running  docker-compose up with all the files looking just like in the video


=> ERROR [ 5/13] RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -                                                                         0.6s
------
 > [ 5/13] RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -:
#9 0.285 Warning: apt-key output should not be parsed (stdout is not a terminal)
#9 0.543 gpg: no valid OpenPGP data found.
#9 0.543 Segmentation fault
------
failed to solve: rpc error: code = Unknown desc = executor failed running [/bin/sh -c curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -]: exit code: 2


What could be a possible solution? I'm in an Apple M1 Pro running  Monterey, if that is relevant. Also, I'm trying to use Rails 6.1.4.6 instead of the latest stable version.

Thanks in advance for any help!

gabi PRO said 7 months ago on Ruby on Docker :
Hmmm... After googling for a bit and trying different things, I was able to make it work by eliminating that part and installing yarn after nodejs like this:

RUN npm install -g yarn

At least, running docker-compose up worked. Not sure if I will run into other issues in the next step.

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