nandi/frq · container.toml

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A third target, and the seam that was already waiting for it   1[container]
2name        = "frq-flutter-web"
Three tarballs where a devShell was   3description = "the Flutter web build, incremental, from a pinned toolchain"
4# `debian:13-slim` and not `arch-nix`: there is no nix in this container any
5# more. The build is `tools/build-web.sh`, which fetches its own Flutter, JDK
6# and Clojure CLI by pinned sha256, so what the image owes it is curl, git,
7# tar and a C runtime — and the smallest image that has them is the right one.
8registry    = "debian:13-slim"
A third target, and the seam that was already waiting for it   9# A Sandbox, not a Function: it runs on a real VM, the command is the
10# sandbox's own process so it dies when the command does, and only a Sandbox
11# can hold open a tunnel -- which is the whole of `serve`.
12runtime     = "sandbox"
15# The container lives inside the repo it builds, so the copy is rooted two
16# levels up and `.` is the whole tree.
17context = "../.."
18include = ["."]
Three tarballs where a devShell was   19# The whole image build, and it is one apt line. What used to be here -- a
20# nix store to populate, a devShell to print, a closure to warm before the
21# source arrived so an edit would not invalidate it -- is gone with the nix
22# it was for. There is no `warm` list any more either: this step reads
23# nothing out of the tree, so nothing in the tree can invalidate it.
A third target, and the seam that was already waiting for it   24
Three tarballs where a devShell was   25# git, because Flutter shells out to it against its own SDK checkout and
26# refuses to run without one; unzip and xz-utils, because that is what the
27# SDK and the toolchain tarballs arrive as; rsync for the sync below;
28# ca-certificates so curl can verify what it fetches.
A third target, and the seam that was already waiting for it   29
Three tarballs where a devShell was   30  "apt-get update && apt-get install -y --no-install-recommends ca-certificates curl git rsync tar unzip xz-utils && rm -rf /var/lib/apt/lists/*",
A third target, and the seam that was already waiting for it   31
32# The build state a local checkout carries, wanted by nothing out here: this
One frontend where there were three, and a core that is not Clojure   33# container builds into a volume of its own, and the clojure caches
A third target, and the seam that was already waiting for it   34# are the laptop's.
35ignore  = [
36    "flutter/build", "flutter/.home", "flutter/.dart_tool",
37    "flutter/.clojuredart", "flutter/.cpcache",
Three tarballs where a devShell was   38    # The ClojureDart compiler's output, gitignored and -- until now --
39    # uploaded anyway, because this list is explicit and does not read
40    # .gitignore. It is megabytes of generated Dart per run, and worse than
41    # the upload is what happened on arrival: the rsync below overwrote the
42    # volume's copy, the one the last container compiled, with a laptop's.
43    # Every file whose content differed then looked new to the compiler and
44    # to Flutter, which is the incremental build undone by the thing that was
45    # meant to feed it. It belongs to the volume, like flutter/build.
46    "flutter/lib/cljd-out",
47    # The toolchain, which is a gigabyte of Flutter SDK and lives on the
48    # volume out here.
49    ".toolchain",
One frontend where there were three, and a core that is not Clojure   50    ".cpcache", "result", "build", ".git",
Pictures a browser will accept, through the one origin that vouches for them   51    # An editor's linter rewrites this while the upload is reading it, and
52    # Modal fails the whole run with "was modified during build process".
53    # Nothing out here reads it.
54    ".clj-kondo",
A third target, and the seam that was already waiting for it   55
Three tarballs where a devShell was   57# One volume now, where there were two: the nix binary cache went with nix.
58# `devshell` is the working state of an incremental loop, shared by every
59# container that has one -- each gets its own directory under it, named for
60# what it belongs to, so `flutter-web` and `flutter-desktop` never write the
61# same tree. Modal Volumes have no locking, so those directory names are the
62# only thing keeping them apart, and two runs of the *same* container must
63# not overlap.
A third target, and the seam that was already waiting for it   64
Three tarballs where a devShell was   65devshell = "/devshell"
A third target, and the seam that was already waiting for it   66
67[resources]
68cpu     = 8
69memory  = 16384
70timeout = 3600
Three tarballs where a devShell was   72# The port `tools/build-web.sh serve` listens on, tunnelled out. Nothing is
A third target, and the seam that was already waiting for it   73# served unless the command asks for it -- a plain build exits and the tunnel
74# closes with the sandbox -- but the port has to be declared at create time,
75# so it is declared once here and `modal run --command` decides whether
76# anything ever binds it.
77
78ports = [8080]
81workdir = "/app"
Three tarballs where a devShell was   82# Source in, toolchain out of the volume, build in place. Three steps, and
83# none of them evaluates anything: the old command spent its first minutes
84# entering a devShell, printing an environment, caching that environment
85# against flake.lock and copying a nix closure back afterwards, all to arrive
86# at a PATH. A PATH is what `tools/toolchain.sh env` prints, out of a
87# directory that is already on the volume.
A third target, and the seam that was already waiting for it   88command = """
90SHELL_DIR=/devshell/frq-flutter-web
Three tarballs where a devShell was   92# Beside the working tree and NOT inside it: the rsync below runs with
93# --delete, so anything under $SHELL_DIR that is not in /app is removed on
94# every run. A cache kept in there would be deleted moments before it was
95# consulted -- which is what happened to the last one that tried.
96export FRQ_TOOLCHAIN=/devshell/frq-flutter-web.toolchain
97mkdir -p "$SHELL_DIR" "$FRQ_TOOLCHAIN"
A third target, and the seam that was already waiting for it   98
99echo "sync: /app -> $SHELL_DIR"
100# rsync and not cp, with --checksum and not mtimes: Modal copies the source in
101# with fresh timestamps every run, so a plain copy looks entirely new to
102# Flutter and rebuilds the lot. --checksum compares content and leaves the
103# unchanged files' timestamps alone, which is the whole basis of the
104# incremental build.
106# The excludes are the state we are here to keep -- overwriting them from /app
Three tarballs where a devShell was   107# would defeat the volume. `flutter/web/` is NOT on the list: it is committed,
108# because the OAuth client keeps a script there, so it has to arrive from
A third target, and the seam that was already waiting for it   109# /app like any other source.
Three tarballs where a devShell was   110rsync -a --checksum --delete \
A third target, and the seam that was already waiting for it   111    --exclude 'flutter/.home/' \
112    --exclude 'flutter/.clojuredart/' \
113    --exclude 'flutter/build/' \
Three tarballs where a devShell was   114    --exclude 'flutter/lib/cljd-out/' \
A third target, and the seam that was already waiting for it   115    --exclude 'flutter/.dart_tool/' \
Three tarballs where a devShell was   116    --exclude '.toolchain/' \
A third target, and the seam that was already waiting for it   117    --exclude '.git' \
118    /app/ "$SHELL_DIR/"
120cd "$SHELL_DIR"
Three tarballs where a devShell was   121# What survived from the last run, by presence and not by size: `du` here
122# walked the pub cache, the toolchain and every object of the last build over
123# a network volume, for numbers nobody acts on.
124for d in "$FRQ_TOOLCHAIN" flutter/.clojuredart flutter/lib/cljd-out flutter/build; do
125    [ -d "$d" ] && echo "  carried over: $d"
A third target, and the seam that was already waiting for it   127
Three tarballs where a devShell was   128# The same script `just flutter-web` runs, with the same single build mode:
129# what is served and what a laptop compiles are the same bundle.
130tools/build-web.sh build
A third target, and the seam that was already waiting for it   131
Three tarballs where a devShell was   132# Flutter keeps its settings -- `--enable-web` among them -- under
133# XDG_CONFIG_HOME, and its own caches under XDG_CACHE_HOME. Both point into
134# the volume so a second run finds what the first one decided. Set here
135# rather than in the command so a shell into this container gets them too.
136env     = { XDG_CACHE_HOME = "/devshell/frq-flutter-web.toolchain/.cache", XDG_CONFIG_HOME = "/devshell/frq-flutter-web.toolchain/.config", FRQ_TOOLCHAIN = "/devshell/frq-flutter-web.toolchain" }

A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	1	[container]
	2	name = "frq-flutter-web"
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	3	description = "the Flutter web build, incremental, from a pinned toolchain"
	4	# `debian:13-slim` and not `arch-nix`: there is no nix in this container any
	5	# more. The build is `tools/build-web.sh`, which fetches its own Flutter, JDK
	6	# and Clojure CLI by pinned sha256, so what the image owes it is curl, git,
	7	# tar and a C runtime — and the smallest image that has them is the right one.
	8	registry = "debian:13-slim"
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	9	# A Sandbox, not a Function: it runs on a real VM, the command is the
	10	# sandbox's own process so it dies when the command does, and only a Sandbox
	11	# can hold open a tunnel -- which is the whole of `serve`.
	12	runtime = "sandbox"
	13
	14	[build]
	15	# The container lives inside the repo it builds, so the copy is rooted two
	16	# levels up and `.` is the whole tree.
	17	context = "../.."
	18	include = ["."]
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	19	# The whole image build, and it is one apt line. What used to be here -- a
	20	# nix store to populate, a devShell to print, a closure to warm before the
	21	# source arrived so an edit would not invalidate it -- is gone with the nix
	22	# it was for. There is no `warm` list any more either: this step reads
	23	# nothing out of the tree, so nothing in the tree can invalidate it.
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	24	#
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	25	# git, because Flutter shells out to it against its own SDK checkout and
	26	# refuses to run without one; unzip and xz-utils, because that is what the
	27	# SDK and the toolchain tarballs arrive as; rsync for the sync below;
	28	# ca-certificates so curl can verify what it fetches.
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	29	setup = [
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	30	"apt-get update && apt-get install -y --no-install-recommends ca-certificates curl git rsync tar unzip xz-utils && rm -rf /var/lib/apt/lists/*",
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	31	]
	32	# The build state a local checkout carries, wanted by nothing out here: this
One frontend where there were three, and a core that is not Clojure 438b247 nandi 11h ago	33	# container builds into a volume of its own, and the clojure caches
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	34	# are the laptop's.
	35	ignore = [
	36	"flutter/build", "flutter/.home", "flutter/.dart_tool",
	37	"flutter/.clojuredart", "flutter/.cpcache",
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	38	# The ClojureDart compiler's output, gitignored and -- until now --
	39	# uploaded anyway, because this list is explicit and does not read
	40	# .gitignore. It is megabytes of generated Dart per run, and worse than
	41	# the upload is what happened on arrival: the rsync below overwrote the
	42	# volume's copy, the one the last container compiled, with a laptop's.
	43	# Every file whose content differed then looked new to the compiler and
	44	# to Flutter, which is the incremental build undone by the thing that was
	45	# meant to feed it. It belongs to the volume, like flutter/build.
	46	"flutter/lib/cljd-out",
	47	# The toolchain, which is a gigabyte of Flutter SDK and lives on the
	48	# volume out here.
	49	".toolchain",
One frontend where there were three, and a core that is not Clojure 438b247 nandi 11h ago	50	".cpcache", "result", "build", ".git",
Pictures a browser will accept, through the one origin that vouches for them 1a1f153 nandi 2d ago	51	# An editor's linter rewrites this while the upload is reading it, and
	52	# Modal fails the whole run with "was modified during build process".
	53	# Nothing out here reads it.
	54	".clj-kondo",
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	55	]
	56
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	57	# One volume now, where there were two: the nix binary cache went with nix.
	58	# `devshell` is the working state of an incremental loop, shared by every
	59	# container that has one -- each gets its own directory under it, named for
	60	# what it belongs to, so `flutter-web` and `flutter-desktop` never write the
	61	# same tree. Modal Volumes have no locking, so those directory names are the
	62	# only thing keeping them apart, and two runs of the same container must
	63	# not overlap.
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	64	[volumes]
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	65	devshell = "/devshell"
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	66
	67	[resources]
	68	cpu = 8
	69	memory = 16384
	70	timeout = 3600
	71
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	72	# The port `tools/build-web.sh serve` listens on, tunnelled out. Nothing is
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	73	# served unless the command asks for it -- a plain build exits and the tunnel
	74	# closes with the sandbox -- but the port has to be declared at create time,
	75	# so it is declared once here and `modal run --command` decides whether
	76	# anything ever binds it.
	77	[network]
	78	ports = [8080]
	79
	80	[run]
	81	workdir = "/app"
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	82	# Source in, toolchain out of the volume, build in place. Three steps, and
	83	# none of them evaluates anything: the old command spent its first minutes
	84	# entering a devShell, printing an environment, caching that environment
	85	# against flake.lock and copying a nix closure back afterwards, all to arrive
	86	# at a PATH. A PATH is what `tools/toolchain.sh env` prints, out of a
	87	# directory that is already on the volume.
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	88	command = """
	89	set -e
	90	SHELL_DIR=/devshell/frq-flutter-web
	91
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	92	# Beside the working tree and NOT inside it: the rsync below runs with
	93	# --delete, so anything under $SHELL_DIR that is not in /app is removed on
	94	# every run. A cache kept in there would be deleted moments before it was
	95	# consulted -- which is what happened to the last one that tried.
	96	export FRQ_TOOLCHAIN=/devshell/frq-flutter-web.toolchain
	97	mkdir -p "$SHELL_DIR" "$FRQ_TOOLCHAIN"
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	98
	99	echo "sync: /app -> $SHELL_DIR"
	100	# rsync and not cp, with --checksum and not mtimes: Modal copies the source in
	101	# with fresh timestamps every run, so a plain copy looks entirely new to
	102	# Flutter and rebuilds the lot. --checksum compares content and leaves the
	103	# unchanged files' timestamps alone, which is the whole basis of the
	104	# incremental build.
	105	#
	106	# The excludes are the state we are here to keep -- overwriting them from /app
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	107	# would defeat the volume. `flutter/web/` is NOT on the list: it is committed,
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	108	# because the OAuth client keeps a script there, so it has to arrive from
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	109	# /app like any other source.
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	110	rsync -a --checksum --delete \
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	111	--exclude 'flutter/.home/' \
	112	--exclude 'flutter/.clojuredart/' \
	113	--exclude 'flutter/build/' \
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	114	--exclude 'flutter/lib/cljd-out/' \
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	115	--exclude 'flutter/.dart_tool/' \
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	116	--exclude '.toolchain/' \
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	117	--exclude '.git' \
	118	/app/ "$SHELL_DIR/"
	119
	120	cd "$SHELL_DIR"
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	121	# What survived from the last run, by presence and not by size: `du` here
	122	# walked the pub cache, the toolchain and every object of the last build over
	123	# a network volume, for numbers nobody acts on.
	124	for d in "$FRQ_TOOLCHAIN" flutter/.clojuredart flutter/lib/cljd-out flutter/build; do
	125	[ -d "$d" ] && echo " carried over: $d"
	126	done
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	127
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	128	# The same script `just flutter-web` runs, with the same single build mode:
	129	# what is served and what a laptop compiles are the same bundle.
	130	tools/build-web.sh build
A third target, and the seam that was already waiting for it f54ca45 nandi 2d ago	131	"""
Three tarballs where a devShell was 5ce66d5 nandi 14h ago	132	# Flutter keeps its settings -- `--enable-web` among them -- under
	133	# XDG_CONFIG_HOME, and its own caches under XDG_CACHE_HOME. Both point into
	134	# the volume so a second run finds what the first one decided. Set here
	135	# rather than in the command so a shell into this container gets them too.
	136	env = { XDG_CACHE_HOME = "/devshell/frq-flutter-web.toolchain/.cache", XDG_CONFIG_HOME = "/devshell/frq-flutter-web.toolchain/.config", FRQ_TOOLCHAIN = "/devshell/frq-flutter-web.toolchain" }