Flag catalog — vroot

# Full list

Flag	Aliases	Base	Description
`-base`	`alpine`	alpine	Bare Alpine root shell (default)
`-bun`		debian	Bun runtime (installed from bun.sh)
`-clang`	`llvm`	alpine	Clang / LLVM C and C++ toolchain
`-clojure`	`clj` `cljs`	debian	Clojure (Debian package)
`-cmake`		alpine	CMake build system
`-crystal`	`shards`	alpine	Crystal language
`-curl`	`wget` `http`	alpine	curl and wget with CA certs
`-d`	`dmd` `ldc` `dlang`	alpine	D language (LDC + dub)
`-debian`	`deb`	debian	Bare Debian root shell (glibc)
`-deno`	`typescript` `ts`	alpine	Deno (with built-in TypeScript)
`-dotnet`	`.net` `dotnet8` `csharp` `c#`	alpine	.NET 8 SDK (C#, F#, VB)
`-elixir`	`mix` `iex`	alpine	Elixir on Erlang/OTP
`-erlang`	`erl` `escript`	alpine	Erlang/OTP
`-fsharp`	`f#` `fsc`	alpine	F# on the .NET 8 SDK
`-gcc`	`cc` `g++`	alpine	GCC C and C++ toolchain
`-gfortran`	`fortran`	alpine	GNU Fortran compiler
`-git`	`gh`	alpine	Git with SSH client
`-go`	`golang`	alpine	Go toolchain
`-groovy`		debian	Apache Groovy (Debian package)
`-haskell`	`ghc` `cabal` `stack`	alpine	GHC and Cabal
`-java`	`jdk` `jre` `javac`	alpine	OpenJDK 17
`-julia`		debian	Julia (installed from julialang.org)
`-kotlin`	`kotlinc`	debian	Kotlin compiler (from JetBrains releases)
`-lua`	`lua5` `lua5.4` `luajit`	alpine	Lua 5.4 with LuaRocks
`-mysql`	`mariadb`	alpine	MariaDB server and client
`-nasm`	`asm`	alpine	NASM assembler
`-nim`	`nimble`	alpine	Nim compiler
`-node`	`nodejs` `npm` `javascript` `js`	alpine	Node.js and npm
`-ocaml`	`opam` `dune`	alpine	OCaml with opam and dune
`-openssh`	`ssh` `sshd`	alpine	OpenSSH client and server
`-perl`	`cpan`	alpine	Perl
`-php`	`php8`	alpine	PHP 8.3 with common extensions
`-postgres`	`postgresql` `psql`	alpine	PostgreSQL server and client
`-python`	`python3` `py`	alpine	Python 3 with pip
`-r`	`rlang` `rscript`	alpine	R statistical language
`-ruby`	`gem` `irb`	alpine	Ruby with RubyGems
`-rust`	`cargo` `rustc`	alpine	Rust compiler and Cargo
`-scala`	`scala3`	debian	Scala 3 (from scala-lang releases)
`-sqlite`	`sqlite3`	alpine	SQLite CLI
`-swift`		debian	Swift toolchain (from swift.org)
`-vim`	`vi` `editor`	alpine	Vim and Neovim
`-zig`		alpine	Zig compiler

Alpine base = tiny & fast build. Debian base = glibc/apt (requires docker once on the host). Aliases are just provides entries, so -python3 and -py are the same environment as -python. Machine-readable copy: flags.json.

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