Tim Spence TimWSpence

I like maths and Haskell/Scala/FP and Rust

TimWSpence / Dockerfile

Last active August 16, 2022 08:03

Optimized multistage Dockerfile for Haskell Stack builds

	# Loosely based on https://www.fpcomplete.com/blog/2017/12/building-haskell-apps-with-docker
	FROM fpco/stack-build:lts-13.27 as dependencies
	RUN mkdir /opt/build
	WORKDIR /opt/build

	# GHC dynamically links its compilation targets to lib gmp
	RUN apt-get update \
	&& apt-get download libgmp10
	RUN mv libgmp*.deb libgmp.deb

TimWSpence / build.sh

Last active July 31, 2019 17:14

Build script for optimized multistage Docker build for Haskell Stack

	docker pull ns/app-dependencies:latest \|\| true

	docker build --target dependencies --cache-from ns/app-dependencies:latest -t ns/app-dependencies .

	docker build --target app --cache-from ns/app-dependencies:latest -t ns/app .

	docker push ns/app-dependencies:latest
	docker push ns/app:latest

TimWSpence / StackMultistageDockerfile

Created July 15, 2019 15:31

A minimal Docker multi-stage build for a Haskell stack application

	# Loosely based on https://www.fpcomplete.com/blog/2017/12/building-haskell-apps-with-docker
	FROM fpco/stack-build:lts-13.27 as build
	RUN mkdir /opt/build
	WORKDIR /opt/build

	# GHC dynamically links its compilation targets to lib gmp
	RUN apt-get update \
	&& apt-get download libgmp10
	RUN mv libgmp*.deb libgmp.deb

TimWSpence / gist:2980c37ad38827af369c42dce34fecf4

Created November 5, 2018 12:33

Ensime scalameta paradise error

	ERROR akka://ENSIME/user/ensime-main/project/scalac/root_compile a.a.OneForOneStrategy - Method org/scalameta/paradise/typechecker/HijackAnalyzer$$anon$1.scala$tools$nsc$typechecker$Macros$_setter_$scala$tools$nsc$typechecker$Macros$$macroClassLoadersCache_$eq(Lscala/tools/nsc/classpath/FileBasedCache;)V is abstract
	akka.actor.ActorInitializationException: akka://ENSIME/user/ensime-main/project/scalac/root_compile: exception during creation
	at akka.actor.ActorInitializationException$.apply(Actor.scala:193)
	at akka.actor.ActorCell.create(ActorCell.scala:671)
	at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:525)
	at akka.actor.ActorCell.systemInvoke(ActorCell.scala:547)
	at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:282)
	at akka.dispatch.Mailbox.run(Mailbox.scala:223)
	at akka.dispatch.Mailbox.exec(Mailbox.scala:234)
	at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)

TimWSpence / keybase.md

Created August 31, 2017 14:08

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