prebuild dev container

.devcontainer/Dockerfile

@@ -2,6 +2,13 @@ FROM mcr.microsoft.com/devcontainers/base:trixie
 
 ARG ZIG_VERSION=0.16.0-dev.1859+212968c57
 
+ENV GOPATH=/go
+ENV RUSTUP_HOME=/usr/local/rustup \
+    CARGO_HOME=/usr/local/cargo \
+    PATH=$GOPATH/bin:/usr/local/bin:/usr/local/go/bin:/usr/local/cargo/bin:$PATH \
+    RUST_VERSION=1.91.1 \
+    GOLANG_VERSION=1.24.3
+
 COPY library-scripts/*.sh library-scripts/*.env /tmp/library-scripts/
 
 # Install Jekyll
@@ -25,3 +32,85 @@ RUN apt-get update && apt-get install -y gnupg && echo "deb [arch=$(dpkg --print
 RUN wget "https://ziglang.org/builds/zig-$(uname -m)-linux-$ZIG_VERSION.tar.xz" -O /tmp/zig.tar.xz && \
     mkdir /usr/local/bin/zig && tar -xvf "/tmp/zig.tar.xz" --strip-components=1 -C /usr/local/bin/zig && \
     echo "export PATH=\"\$PATH:/usr/local/bin/zig/\"" >> /etc/bash.bashrc
+
+# Install Golang
+# https://github.com/docker-library/golang/blob/master/1.24/trixie/Dockerfile
+RUN set -eux; \
+	now="$(date '+%s')"; \
+	arch="$(dpkg --print-architecture)"; arch="${arch##*-}"; \
+	url=; \
+	case "$arch" in \
+		'amd64') \
+			url="https://dl.google.com/go/go$GOLANG_VERSION.linux-amd64.tar.gz"; \
+			sha256='3333f6ea53afa971e9078895eaa4ac7204a8c6b5c68c10e6bc9a33e8e391bdd8'; \
+			;; \
+		'arm64') \
+			url="https://dl.google.com/go/go$GOLANG_VERSION.linux-arm64.tar.gz"; \
+			sha256='a463cb59382bd7ae7d8f4c68846e73c4d589f223c589ac76871b66811ded7836'; \
+			;; \
+		*) echo >&2 "error: unsupported architecture '$arch' (likely packaging update needed)"; exit 1 ;; \
+	esac; \
+	wget -O go.tgz.asc "$url.asc"; \
+	wget -O go.tgz "$url" --progress=dot:giga; \
+	echo "$sha256 *go.tgz" | sha256sum -c -; \
+	\
+# https://github.com/golang/go/issues/14739#issuecomment-324767697
+	GNUPGHOME="$(mktemp -d)"; export GNUPGHOME; \
+# https://www.google.com/linuxrepositories/
+	gpg --batch --keyserver keyserver.ubuntu.com --recv-keys 'EB4C 1BFD 4F04 2F6D DDCC  EC91 7721 F63B D38B 4796'; \
+# let's also fetch the specific subkey of that key explicitly that we expect "go.tgz.asc" to be signed by, just to make sure we definitely have it
+	gpg --batch --keyserver keyserver.ubuntu.com --recv-keys '2F52 8D36 D67B 69ED F998  D857 78BD 6547 3CB3 BD13'; \
+	gpg --batch --verify go.tgz.asc go.tgz; \
+	gpgconf --kill all; \
+	rm -rf "$GNUPGHOME" go.tgz.asc; \
+	\
+	tar -C /usr/local -xzf go.tgz; \
+	rm go.tgz; \
+	mkdir -p "$GOPATH/src" "$GOPATH/bin" && chmod -R 1777 "$GOPATH" && \
+	go version;
+
+# Install rust
+# https://github.com/rust-lang/docker-rust/blob/master/stable/trixie/Dockerfile
+RUN set -eux; \
+    \
+    arch="$(dpkg --print-architecture)"; \
+    case "$arch" in \
+        'amd64') \
+            rustArch='x86_64-unknown-linux-gnu'; \
+            rustupSha256='20a06e644b0d9bd2fbdbfd52d42540bdde820ea7df86e92e533c073da0cdd43c'; \
+            ;; \
+        'arm64') \
+            rustArch='aarch64-unknown-linux-gnu'; \
+            rustupSha256='e3853c5a252fca15252d07cb23a1bdd9377a8c6f3efa01531109281ae47f841c'; \
+            ;; \
+        *) \
+            echo >&2 "unsupported architecture: $arch"; \
+            exit 1; \
+            ;; \
+    esac; \
+    \
+    url="https://static.rust-lang.org/rustup/archive/1.28.2/${rustArch}/rustup-init"; \
+    wget --progress=dot:giga "$url"; \
+    echo "${rustupSha256} *rustup-init" | sha256sum -c -; \
+    chmod +x rustup-init; \
+    ./rustup-init -y --no-modify-path --profile minimal --default-toolchain $RUST_VERSION --default-host ${rustArch}; \
+    rm rustup-init; \
+    chmod -R a+w $RUSTUP_HOME $CARGO_HOME; \
+    rustup --version; \
+    cargo --version; \
+    rustc --version; \
+	rustup target add aarch64-unknown-linux-gnu \
+		x86_64-unknown-linux-musl x86_64-pc-windows-gnu \
+		x86_64-pc-windows-msvc aarch64-apple-darwin x86_64-apple-darwin; \
+    rustup component add rustfmt clippy; \
+	cargo install cargo-zigbuild; \
+	cargo +1.89.0 install xwin --locked
+
+# Install node
+RUN bash /tmp/library-scripts/node-debian.sh
+
+# Install Python
+# https://github.com/docker-library/python/blob/master/3.12/slim-trixie/Dockerfile
+RUN apt update && apt install -y python3
+
+RUN rm -rf /var/lib/apt/lists/* && rm -rf /tmp/*

.devcontainer/devcontainer.json

@@ -1,29 +1,15 @@
 {
 	"name": "Realm",
 	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	"build": {
-		"dockerfile": "Dockerfile",
-		"args": {}
-	},
+	// "build": {
+	// 	"dockerfile": "Dockerfile",
+	// 	"args": {}
+	// },
+	"image": "spellshift/devcontainer:latest",
 	"hostRequirements": {
 		"cpus": 4
 	},
 	"features": {
-		"ghcr.io/devcontainers/features/go:1": {
-			"version": "1.24.3"
-		},
-		"ghcr.io/devcontainers/features/python:1": {
-			"installTools": true,
-			"version": "3.12"
-		},
-		"ghcr.io/devcontainers/features/rust:1": {
-			"version": "1.91.1",
-			"profile": "minimal",
-			"targets": "aarch64-unknown-linux-gnu,x86_64-unknown-linux-musl,x86_64-pc-windows-gnu,x86_64-pc-windows-msvc,aarch64-apple-darwin,x86_64-apple-darwin"
-		},
-		"ghcr.io/devcontainers/features/node:1": {
-			"version": "lts"
-		},
 	},
 	"customizations": {
 		"vscode": {
@@ -64,5 +50,4 @@
 	// "mounts": [
 	// 	"source=${localEnv:HOME}${localEnv:USERPROFILE}/MacOSX.sdk,target=/MacOSX.sdk,readonly,type=bind"
 	// ],
-	"postAttachCommand": "cargo install cargo-zigbuild && cargo +1.89.0 install xwin --locked"
 }