feat: implement Open Graph image generation and enhance configuration

- Added ogImages integration to generate Open Graph images for blog posts. - Updated configuration to include Open Graph settings and default preview image. - Refactored Head component to utilize new preview property for Open Graph meta tags. - Enhanced blog post schema to include preview image for structured data representation. - Introduced utility functions for creating Open Graph images with dynamic content.
2025-07-23 16:38:48 +03:00 · 2025-06-14 19:25:16 +00:00
parent 3d0f485746
commit a81117972d
48 changed files with 1650 additions and 164 deletions
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -1,11 +1,12 @@
 import { defineConfig } from "astro/config";
 import { remarkReadingTime } from "./src/plugins/remarkReadingTime";
+import ogImages from "./src/integrations/ogImages";
 import sitemap from "@astrojs/sitemap";

 export default defineConfig({
 	site: "https://popov.link",
 	output: "static",
-	integrations: [sitemap()],
+	integrations: [sitemap(), ogImages()],
 	build: {
 		inlineStylesheets: "always",
 	},
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -23,15 +23,22 @@
    "@astrojs/check": "^0.9.4",
    "@astrojs/rss": "^4.0.12",
    "@astrojs/sitemap": "^3.4.1",
+    "@resvg/resvg-js": "^2.6.2",
    "astro": "^5.9.0",
    "autoprefixer": "^10.4.21",
    "cssnano": "^7.0.7",
    "cssnano-preset-advanced": "^7.0.7",
    "dayjs": "^1.11.13",
+    "geist": "^1.4.2",
+    "globby": "^14.1.0",
+    "gray-matter": "^4.0.3",
    "mdast-util-to-string": "^4.0.0",
    "reading-time": "^1.5.0",
    "sass": "^1.89.1",
+    "satori": "^0.15.2",
+    "satori-html": "^0.3.2",
    "schema-dts": "^1.1.5",
+    "sharp": "^0.34.2",
    "typescript": "^5"
  },
  "devDependencies": {
--- a/public/images/preview/.gitignore
+++ b/public/images/preview/.gitignore
@@ -0,0 +1,2 @@
+*
+!.gitignore
--- a/src/assets/JetBrainsMono/JetBrainsMono-Bold.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-Bold.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-BoldItalic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-BoldItalic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-ExtraBold.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-ExtraBold.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-ExtraBoldItalic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-ExtraBoldItalic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-ExtraLight.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-ExtraLight.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-ExtraLightItalic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-ExtraLightItalic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-Italic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-Italic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-Light.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-Light.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-LightItalic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-LightItalic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-Medium.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-Medium.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-MediumItalic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-MediumItalic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-Regular.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-Regular.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-SemiBold.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-SemiBold.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-SemiBoldItalic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-SemiBoldItalic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-Thin.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-Thin.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMono-ThinItalic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMono-ThinItalic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-Bold.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-Bold.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-BoldItalic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-BoldItalic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-ExtraBold.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-ExtraBold.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-ExtraBoldItalic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-ExtraBoldItalic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-ExtraLight.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-ExtraLight.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-ExtraLightItalic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-ExtraLightItalic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-Italic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-Italic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-Light.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-Light.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-LightItalic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-LightItalic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-Medium.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-Medium.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-MediumItalic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-MediumItalic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-Regular.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-Regular.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-SemiBold.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-SemiBold.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-SemiBoldItalic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-SemiBoldItalic.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-Thin.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-Thin.ttf
--- a/src/assets/JetBrainsMono/JetBrainsMonoNL-ThinItalic.ttf
+++ b/src/assets/JetBrainsMono/JetBrainsMonoNL-ThinItalic.ttf
--- a/src/components/Head.astro
+++ b/src/components/Head.astro
@@ -1,16 +1,18 @@
 ---
 import type { WithContext, Thing } from "schema-dts";
 import JsonLd from "./JsonLd.astro";
-import OpenGraph from "./OpenGraph.astro";

 type Props = {
 	readonly description: string;
-	readonly title: string;
+	readonly preview: string;
 	readonly schema: WithContext<Thing>;
+	readonly title: string;
 };

-const canonicalURL = new URL(Astro.url.pathname, Astro.site);
-const { description, title, schema } = Astro.props;
+const { description, preview, schema, title } = Astro.props;
+
+const canonicalUrl = new URL(Astro.url.pathname, Astro.site);
+const previewUrl = new URL(preview, Astro.site);
 ---

 <head>
@@ -24,7 +26,7 @@ const { description, title, schema } = Astro.props;

 	<link href="/feed.xml" rel="alternate" title="RSS" type="application/atom+xml" />
 	<link href="/sitemap-index.xml" rel="sitemap" />
-	<link href={canonicalURL} rel="canonical" />
+	<link href={canonicalUrl} rel="canonical" />

 	<title>{title}</title>

@@ -35,6 +37,18 @@ const { description, title, schema } = Astro.props;
 	<link rel="manifest" href="/manifest.json" />
 	<meta name="theme-color" content="#ffffff" />

-	<OpenGraph title={title} description={description} />
+	<!-- Open Graph -->
+	<meta property="og:type" content="website" />
+	<meta property="og:title" content={title} />
+	<meta property="og:description" content={description} />
+	<meta property="og:image" content={previewUrl} />
+	<meta property="og:url" content={canonicalUrl} />
+
+	<!-- Twitter Cards -->
+	<meta name="twitter:card" content="summary_large_image" />
+	<meta name="twitter:title" content={title} />
+	<meta name="twitter:description" content={description} />
+	<meta name="twitter:image" content={previewUrl} />
+
 	<JsonLd schema={schema} />
 </head>
--- a/src/components/OpenGraph.astro
+++ b/src/components/OpenGraph.astro
@@ -1,26 +0,0 @@
---
-import { config } from "../config";
-
-type Props = {
-	readonly description: string;
-	readonly title: string;
-};
-
-const canonicalURL = new URL(Astro.url.pathname, Astro.site);
-const { description, title } = Astro.props;
-
-const image = new URL(config.posts.defaultImage, Astro.site).toString();
---
-
-<!-- Open Graph -->
-<meta property="og:type" content="website" />
-<meta property="og:title" content={title} />
-<meta property="og:description" content={description} />
-<meta property="og:image" content={image} />
-<meta property="og:url" content={canonicalURL} />
-
-<!-- Twitter Cards -->
-<meta name="twitter:card" content="summary_large_image" />
-<meta name="twitter:title" content={title} />
-<meta name="twitter:description" content={description} />
-<meta name="twitter:image" content={image} />
--- a/src/config.ts
+++ b/src/config.ts
@@ -1,10 +1,29 @@
 export const config = {
 	author: {
 		name: "Valentin Popov",
+		email: "valentin@popov.link",
 		url: "https://popov.link/",
 		sameAs: ["https://www.linkedin.com/in/valentineus/", "https://github.com/valentineus"],
 	},
-	posts: {
-		defaultImage: "/images/photo.png",
+
+	// Open Graph
+	og: {
+		color: {
+			bg: "#181818",
+			bgCode: "#3b3d42",
+			blossom: "#6da13f",
+			text: "#dee2e6",
+		},
+		defaultPreview: "/images/photo.png",
+		dimensions: {
+			height: 630,
+			width: 1200,
+		},
+		fonts: {
+			bold: "./src/assets/JetBrainsMono/JetBrainsMono-Bold.ttf",
+			regular: "./src/assets/JetBrainsMono/JetBrainsMono-Regular.ttf",
+		},
+		photo: "./public/images/photo.png",
+		website: "popov.link",
 	},
 };
--- a/src/integrations/ogImages.ts
+++ b/src/integrations/ogImages.ts
@@ -0,0 +1,47 @@
+import type { AstroIntegration } from "astro";
+import { createOgImage } from "../utils/createOgImage";
+import { globby } from "globby";
+import fs from "fs/promises";
+import matter from "gray-matter";
+import path from "path";
+
+const postsDir = path.resolve("./src/content/blog");
+const outDir = path.resolve("./public/images/preview");
+
+export default function ogImageGenerator(): AstroIntegration {
+	return {
+		name: "og-images",
+		hooks: {
+			"astro:build:setup": async ({ logger }) => {
+				await fs.mkdir(outDir, { recursive: true });
+				const mdFiles = await globby("*.md", { cwd: postsDir });
+				logger.info(`${mdFiles.length} posts found`);
+
+				const results = await Promise.allSettled(
+					mdFiles.map(async (file) => {
+						const slug = file.replace(/\.md$/, "");
+						const content = await fs.readFile(path.join(postsDir, file), "utf-8");
+						const { data } = matter(content);
+
+						const png = await createOgImage(data.title, data.datePublished);
+						const outPath = path.join(outDir, `${slug}.png`);
+						await fs.writeFile(outPath, png);
+
+						logger.info(`OG image created: ${slug}`);
+					})
+				);
+
+				results.forEach((r) => {
+					if (r.status === "rejected") {
+						logger.error(`Error for ${r.reason.slug}: ${r.reason.message}`);
+					}
+				});
+
+				const failures = results.filter((r) => r.status === "rejected");
+				if (failures.length) {
+					throw new Error(`Failed to generate OG images for ${failures.length} posts`);
+				}
+			},
+		},
+	};
+}
--- a/src/layouts/BaseLayout.astro
+++ b/src/layouts/BaseLayout.astro
@@ -7,16 +7,17 @@ import "../scss/global.scss";

 type Props = {
 	readonly description: string;
-	readonly title: string;
 	readonly lang: string;
+	readonly preview: string;
 	readonly schema: WithContext<Thing>;
+	readonly title: string;
 };

-const { title, description, lang, schema } = Astro.props;
+const { description, lang, preview, schema, title } = Astro.props;
 ---

 <html lang={lang}>
-	<Head title={title} description={description} schema={schema} />
+	<Head title={title} description={description} preview={preview} schema={schema} />

 	<body>
 		<main>
--- a/src/pages/404.astro
+++ b/src/pages/404.astro
@@ -1,9 +1,11 @@
 ---
+import { config } from "../config";
 import Layout from "../layouts/BaseLayout.astro";
 import pageSchema from "../utils/schemas/pageSchema";

 const title = "404 — Page Not Found | Valentin Popov";
 const description = "The page you're looking for doesn't exist!";
+const preview = config.og.defaultPreview;
 const lang = "en";

 const schema = pageSchema({
@@ -15,7 +17,7 @@ const schema = pageSchema({
 });
 ---

-<Layout title={title} description={description} lang={lang} schema={schema}>
+<Layout title={title} description={description} preview={preview} lang={lang} schema={schema}>
 	<div style={{ "text-align": "center" }}>
 		<h1>404</h1>
 		<p><strong>Page not found</strong></p>
--- a/src/pages/blog/[...slug].astro
+++ b/src/pages/blog/[...slug].astro
@@ -25,6 +25,7 @@ const { Content, remarkPluginFrontmatter } = await post.render();
 const description = post.data.description;
 const isBasedOn = post.data.basedOn;
 const lang = post.data.lang;
+const preview = `/images/preview/${post.slug}.png`;
 const slug = post.slug;
 const title = post.data.title;

@@ -34,13 +35,14 @@ const formattedDate = dayjs(post.data.datePublished.toString()).format("MMMM DD,

 const schema = blogPostSchema({
 	siteUrl: new URL("/", Astro.site).toString(),
-	title,
-	description,
-	slug,
-	datePublished,
 	dateModified,
-	lang,
+	datePublished,
+	description,
 	isBasedOn,
+	lang,
+	preview,
+	slug,
+	title,
 });
 ---

@@ -52,7 +54,7 @@ const schema = blogPostSchema({
 	}
 </style>

-<Layout title={title} description={description} lang={lang} schema={schema}>
+<Layout title={title} description={description} preview={preview} lang={lang} schema={schema}>
 	<article>
 		<header>
 			<h1>{title}</h1>
--- a/src/pages/blog/index.astro
+++ b/src/pages/blog/index.astro
@@ -1,9 +1,10 @@
 ---
 import type { CollectionEntry } from "astro:content";
+import { config } from "../../config";
 import { getCollection } from "astro:content";
+import blogSchema from "../../utils/schemas/blogSchema";
 import Layout from "../../layouts/BaseLayout.astro";
 import PostElement from "../../components/PostElement.astro";
-import blogSchema from "../../utils/schemas/blogSchema";
 import RSSIcon from "../../components/Icons/RSS.astro";

 const posts = await getCollection("blog", ({ data }) => {
@@ -25,6 +26,7 @@ const years = Object.keys(postsByYear).sort((a, b) => Number(b) - Number(a));

 const title = "Valentin Popov's Blog | Software Development, Leadership & Open-Source";
 const description = "Explore Valentin Popov's blog on software development, tech leadership, and open-source experiments. Stay updated with in-depth tutorials and expert insights.";
+const preview = config.og.defaultPreview;
 const lang = "en";

 const schema = blogSchema({
@@ -34,7 +36,7 @@ const schema = blogSchema({
 });
 ---

-<Layout title={title} description={description} lang={lang} schema={schema}>
+<Layout title={title} description={description} preview={preview} lang={lang} schema={schema}>
 	<section>
 		<h1>
 			Blog posts
--- a/src/pages/index.astro
+++ b/src/pages/index.astro
@@ -1,12 +1,14 @@
 ---
-import Layout from "../layouts/BaseLayout.astro";
+import { config } from "../config";
 import LatestPostsSection from "../components/Sections/LatestPosts.astro";
+import Layout from "../layouts/BaseLayout.astro";
+import pageSchema from "../utils/schemas/pageSchema";
 import SocialLinksSection from "../components/Sections/SocialLinks.astro";
 import WelcomeSection from "../components/Sections/Welcome.astro";
-import pageSchema from "../utils/schemas/pageSchema";

 const title = "Valentin Popov – Software Developer & Team Lead | Tech Insights";
 const description = "Blog by Valentin Popov — software developer and team lead writing about code, side projects, digital tools, and fun experiments.";
+const preview = config.og.defaultPreview;
 const lang = "en";

 const schema = pageSchema({
@@ -18,7 +20,7 @@ const schema = pageSchema({
 });
 ---

-<Layout title={title} description={description} lang={lang} schema={schema}>
+<Layout title={title} description={description} preview={preview} lang={lang} schema={schema}>
 	<WelcomeSection />
 	<SocialLinksSection />
 	<LatestPostsSection />
--- a/src/utils/createOgImage.ts
+++ b/src/utils/createOgImage.ts
@@ -0,0 +1,52 @@
+import { config } from "../config";
+import { html } from "satori-html";
+import { resources } from "./ogResources";
+import { Resvg } from "@resvg/resvg-js";
+import dayjs from "dayjs";
+import satori from "satori";
+
+export async function createOgImage(title: string, datePublished: Date): Promise<Buffer> {
+	const formattedDate = dayjs(datePublished).format("MMMM DD, YYYY");
+
+	const markup = await satori(
+		html(`
+<div tw="flex flex-col w-full h-full" style="background-color: ${config.og.color.bg}">
+	<div tw="flex flex-col w-full h-4/5 p-10 justify-center">
+		<div tw="text-2xl mb-6" style="color: ${config.og.color.text}">${formattedDate}</div>
+		<div tw="flex text-6xl w-full font-bold" style="color: ${config.og.color.text}">${title}</div>
+	</div>
+	<div tw="w-full h-1/5 flex p-10 items-center justify-between text-2xl" style="border-top: 1px solid ${config.og.color.bgCode}">
+		<div tw="flex items-center">
+			<span tw="ml-3" style="color: ${config.og.color.text}">${config.og.website.toLocaleUpperCase()}</span>
+		</div>
+		<div tw="flex items-center">
+			<img src="${resources.photoBase64}" tw="w-15 h-15 rounded-full" />
+			<div tw="flex flex-col ml-4">
+				<span style="color: ${config.og.color.text}">${config.author.name}</span>
+				<span style="color: ${config.og.color.blossom}">${config.author.email}</span>
+			</div>
+		</div>
+	</div>
+</div>
+`),
+		{
+			width: config.og.dimensions.width,
+			height: config.og.dimensions.height,
+			fonts: [
+				{
+					name: "Inter",
+					data: resources.fonts.regular,
+					weight: 400,
+				},
+				{
+					name: "Inter",
+					data: resources.fonts.bold,
+					weight: 700,
+				},
+			],
+		}
+	);
+
+	const image = new Resvg(markup, { fitTo: { mode: "width", value: config.og.dimensions.width } });
+	return image.render().asPng();
+}
--- a/src/utils/ogResources.ts
+++ b/src/utils/ogResources.ts
@@ -0,0 +1,15 @@
+import { config } from "../config";
+import fs from "fs/promises";
+import path from "path";
+import sharp from "sharp";
+
+export const resources = {
+	fonts: {
+		regular: await fs.readFile(path.resolve(config.og.fonts.regular)),
+		bold: await fs.readFile(path.resolve(config.og.fonts.bold)),
+	},
+	photoBase64: await (async () => {
+		const buf = await fs.readFile(path.resolve(config.og.photo));
+		return "data:image/png;base64," + (await sharp(buf).resize(120, 120).png({ quality: 95 }).toBuffer()).toString("base64");
+	})(),
+};
--- a/src/utils/schemas/blogPostSchema.ts
+++ b/src/utils/schemas/blogPostSchema.ts
@@ -7,18 +7,19 @@ export type BlogPostSchemaParams = {
 	readonly description: string;
 	readonly isBasedOn?: string;
 	readonly lang: string;
+	readonly preview: string;
 	readonly siteUrl: string;
 	readonly slug: string;
 	readonly title: string;
 };

-export default ({ siteUrl, slug, title, description, datePublished, dateModified, lang, isBasedOn }: BlogPostSchemaParams): WithContext<BlogPosting> => ({
+export default ({ siteUrl, slug, title, description, preview, datePublished, dateModified, lang, isBasedOn }: BlogPostSchemaParams): WithContext<BlogPosting> => ({
 	"@context": "https://schema.org",
 	"@type": "BlogPosting",
 	"url": new URL(`/blog/${slug}`, siteUrl).toString(),
 	"headline": title,
 	"description": description,
-	"image": new URL(config.posts.defaultImage, siteUrl).toString(),
+	"image": new URL(preview, siteUrl).toString(),
 	"datePublished": datePublished,
 	"dateModified": dateModified,
 	"inLanguage": lang,