V2 (#111)

Just v2

src/lib/buildPacks/rust.ts

@@ -0,0 +1,43 @@
+import { asyncExecShell } from '$lib/common';
+import { buildCacheImageWithCargo, buildImage } from '$lib/docker';
+import { promises as fs } from 'fs';
+import TOML from '@iarna/toml';
+
+const createDockerfile = async (data, image, name): Promise<void> => {
+	const { workdir, port, applicationId, tag } = data;
+	const Dockerfile: Array<string> = [];
+	Dockerfile.push(`FROM ${image}`);
+	Dockerfile.push('WORKDIR /usr/src/app');
+	Dockerfile.push(`COPY --from=${applicationId}:${tag}-cache /usr/src/app/target target`);
+	Dockerfile.push(`COPY --from=${applicationId}:${tag}-cache /usr/local/cargo /usr/local/cargo`);
+	Dockerfile.push(`COPY . .`);
+	Dockerfile.push(`RUN cargo build --release --bin ${name}`);
+	Dockerfile.push('FROM debian:buster-slim');
+	Dockerfile.push('WORKDIR /usr/src/app');
+	Dockerfile.push(
+		`RUN apt-get update -y && apt-get install -y --no-install-recommends openssl libcurl4 ca-certificates && apt-get autoremove -y && apt-get clean -y && rm -rf /var/lib/apt/lists/*`
+	);
+	Dockerfile.push(`RUN update-ca-certificates`);
+	Dockerfile.push(
+		`COPY --from=${applicationId}:${tag}-cache /usr/src/app/target/release/${name} ${name}`
+	);
+	Dockerfile.push(`EXPOSE ${port}`);
+	Dockerfile.push(`CMD ["/usr/src/app/${name}"]`);
+	await fs.writeFile(`${workdir}/Dockerfile`, Dockerfile.join('\n'));
+};
+
+export default async function (data) {
+	try {
+		const { workdir } = data;
+		const image = 'rust:latest';
+		const imageForBuild = 'rust:latest';
+		const { stdout: cargoToml } = await asyncExecShell(`cat ${workdir}/Cargo.toml`);
+		const parsedToml: any = TOML.parse(cargoToml);
+		const name = parsedToml.package.name;
+		await buildCacheImageWithCargo(data, imageForBuild);
+		await createDockerfile(data, image, name);
+		await buildImage(data);
+	} catch (error) {
+		throw error;
+	}
+}