Cage
Dev tools
development environment
SHOW HN2017
119points
58comments
#361of 2,242 in 2017
Top 17%of 2017 by points
How HN took it
MixedNo clear lean
2 positive, 5 neutral or asking, 2 mixed, 5 critical, out of 14 comments about the project. Thread score -0.24.
Idea: 2 for, 3 againstExecution: 0 for, 1 againstPerformance: 0 for, 1 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Clean containers useful in active dev cycle
From 1 comment
Although I'm not sure I would use this, this is the kind of stuff I've been waiting for. Where nice clean containers are used as part of an active dev cycle rather than just the…
crazyhatfish on HN
Objections
Docker is heavyweight compared to virtualenv
From 3 comments
Docker sounds heavyweight for this purpose, given that it essentially spawns a complete userland separate from the host. I work on Guix; it provides a 'guix environment' command,…
civodul on HNSo apart from having separate disk+network namespace, how is this different from a virtualenv? I feel like configurable sockets and paths should provide everything this can, but…
viraptor on HNLess system resource overhead, more human overhead. VirtualEnvs can bleed over if they're not configured properly or if you forget to deactivate. They're harder to fully…
cookiecaper on HN
Docker is slow on macOS
From 2 comments
Docker runs pretty slow on macOS so you'll be paying a pretty high price for cleanliness.
miloshadzic on HNYes, but the docker for mac uses 100% cpu per core if watching files. I think it's reasonable to assume using a better virtual machine (possibly including vmware and parallels,…
andy_ppp on HN
Unclear what it adds over learning docker and docker-compose
From 2 comments
Pretty simple to set up and use, but I'm not sure if it's better than learning `docker` and `docker-compose`. Also, the default `python <file>.py` doesn't remove the container…
rockostrich on HNI was going to say something similar. With venv moved into the stdlib in Python3 and ongoing development and improvements to the `docker-compose` workflow I am not sure where a…
gshulegaard on HN
Requires Python 3.5 not in Debian stable
From 1 comment
Mac-first development strikes again: pycage requires Python 3.5, which hasn't landed in Debian stable yet. Bummer.
alrs on HN
Requests
Add container removal and custom image naming
From 1 comment
Pretty simple to set up and use, but I'm not sure if it's better than learning `docker` and `docker-compose`. Also, the default `python <file>.py` doesn't remove the container…
rockostrich on HN
Support Pipfile dependencies
From 1 comment
> The current version of Cage only supports dependencies written in a requirements file It might be worth looking at pipfile. Great project though!
rch on HN
Questions
How does it differ from virtualenv
From 1 comment
So apart from having separate disk+network namespace, how is this different from a virtualenv? I feel like configurable sockets and paths should provide everything this can, but…
viraptor on HN
What is the use case
From 1 comment
Could someone please explain why this might be useful? It seems like something that a crypto developer might like but if I'm developing something innocuous why would it matter if…
0wl3x on HN
Alternatives named
docker and docker-compose
From 1 comment
Pretty simple to set up and use, but I'm not sure if it's better than learning `docker` and `docker-compose`. Also, the default `python <file>.py` doesn't remove the container…
rockostrich on HN
Vagrant
From 1 comment
My two second-hand cents: At my previous company we used Vagrant for most projects, and it provided a nice abstraction layer that made things work reasonably well across all…
nkantar on HN
Guix environment
From 1 comment
Docker sounds heavyweight for this purpose, given that it essentially spawns a complete userland separate from the host. I work on Guix; it provides a 'guix environment' command,…
civodul on HN
pyenv
From 1 comment
can you not use pyenv?
sandGorgon on HN