29 lines
1.2 KiB
TypeScript
29 lines
1.2 KiB
TypeScript
import { readFileSync } from "node:fs";
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import { describe, expect, it } from "vitest";
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const dockerfile = readFileSync("Dockerfile", "utf8");
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describe("Docker build cache", () => {
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it("installs frozen dependencies before copying application source", () => {
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const manifests = dockerfile.indexOf(
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"COPY package.json *lock* pnpm-workspace.yaml .npmrc ./",
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);
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const install = dockerfile.indexOf("pnpm install --frozen-lockfile");
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const source = dockerfile.indexOf("COPY . .");
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expect(manifests).toBeGreaterThan(-1);
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expect(install).toBeGreaterThan(manifests);
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expect(source).toBeGreaterThan(install);
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});
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it("retains the package store and Next compiler cache across source changes", () => {
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expect(dockerfile).toContain("id=epicnext-pnpm,target=/pnpm/store");
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expect(dockerfile).toContain("--store-dir=/pnpm/store");
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expect(dockerfile).toContain("id=epicnext-next,target=/app/.next/cache");
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});
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it("ships standalone output without a redundant dependency pruning step", () => {
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expect(dockerfile).toContain("/app/.next/standalone ./");
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expect(dockerfile).not.toContain("pnpm prune --prod");
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expect(dockerfile).not.toContain("npm prune --production");
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expect(dockerfile).not.toContain("yarn install --production");
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});
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});
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