chore: add docker build script for builder

.gitignore

@@ -3,3 +3,4 @@
 /um-react.exe
 /um-react@*.zip
 /um-react@*.exe
+/*.gz

Cargo.toml

@@ -6,24 +6,31 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-wry = "0.35.1"
+wry = { version = "0.35.1", optional = true }
-tao = { version = "0.24", default-features = false, features = ["rwh_05"] }
+tao = { version = "0.24", default-features = false, optional = true, features = [
-zip = "0.6.6"
+    "rwh_05",
-http = "0.2"
+] }
-bytes = "1.5.0"
+image = { version = "0.24", default-features = true, optional = true, features = [
-clap = { version = "4.4.12", features = ["derive"] }
-image = { version = "0.24", default-features = true, features = [
     "webp",
     "ico",
 ] }
-dirs = "5.0.1"
+
+zip = { version = "0.6.6" }
+http = { version = "0.2" }
+bytes = { version = "1.5.0" }
+clap = { version = "4.4.12", features = ["derive"] }
+dirs = { version = "5.0.1" }
 
 [build-dependencies]
 winres = "0.1"
 
+[features]
+stub-pkgs = ["wry", "tao", "image"]
+
 [[bin]]
 name = "um-react-wry-stub"
 path = "src/stub.rs"
+required-features = ["stub-pkgs"]
 
 [[bin]]
 name = "builder"

Dockerfile

@@ -0,0 +1,10 @@
+FROM rust
+
+ENV CARGO_HOME=/h
+WORKDIR /c
+
+COPY src /c/src/
+COPY build.rs Cargo.toml Cargo.lock /c/
+RUN cargo build --bin builder --release
+
+CMD gzip < target/release/builder | base64

build.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+docker build -t wry-builder .
+docker run --rm wry-builder | base64 -d >um-react-wry-builder-linux-amd64.gz