{"id":1475,"date":"2023-07-04T00:00:00","date_gmt":"2023-07-03T22:00:00","guid":{"rendered":"https:\/\/demo.sidekick.be\/itenium\/implementing-the-slack-meme-bot\/"},"modified":"2025-11-28T13:31:43","modified_gmt":"2025-11-28T12:31:43","slug":"implementing-the-slack-meme-bot","status":"publish","type":"post","link":"https:\/\/demo.sidekick.be\/itenium\/blog\/javascript\/implementing-the-slack-meme-bot\/","title":{"rendered":"The itenium Slack Meme Bot\u00ae : Implementation"},"content":{"rendered":"<h1 id=\"docker-compose\">docker-compose<\/h1>\n<p>The <code>docker-compose<\/code> exists of two services<\/p>\n<h2 id=\"file-server\">File Server<\/h2>\n<p><code>halverneus\/static-file-server<\/code> makes the memes accessible from the internet.<br \/> The Slack WebHook sends just the url of the meme, after which Slack attempts to download the image before actually posting it.<\/p>\n<p>If Slack cannot download the image, <strong>nothing<\/strong> will show up in your Slack channel.<\/p>\n<p>You will probably need to configure the meme file accessibility.<\/p>\n<pre><code class=\"language-sh\">chmod -R 755 memes_dir\n<\/code><\/pre>\n<h2 id=\"cron-job\">Cron Job<\/h2>\n<p>The <code>Dockerfile<\/code> copies the <code>job<\/code> folder with the Node program to the docker container and then runs <code>start.sh<\/code> which schedules running <code>meme-poster.js<\/code> and starts the Cron daemon.<\/p>\n<h3 id=\"slack-meme-poster\">Slack Meme Poster<\/h3>\n<p>The <code>meme-poster.js<\/code> selects a random file from your <code>MEMES_DIR<\/code> and moves it to a <code>already-sent<\/code> subfolder to make sure no meme is ever posted twice.<\/p>\n<p>It then sends the meme url to Slack using the WebHook and \ud83c\udf89, meme posted!<\/p>\n<h1 id=\"make-it-your-own\">Make it your own<\/h1>\n<p><a href=\"https:\/\/github.com\/itenium-be\/slack-meme-poster\/blob\/master\/job\/post-slack.js\">Configure the actual Slack message<\/a><\/p>\n<ul>\n<li><code>messageToPostWithMeme<\/code>: A simple string sent along with the meme<\/li>\n<li>Configure the entire Slack message using the Slack <a href=\"https:\/\/app.slack.com\/block-kit-builder\/\">Block Kit Builder<\/a><\/li>\n<\/ul>\n<h1>Also in this series<\/h1>\n<ul>\n<li>Part 1: <a href=\"\/javascript\/install-the-slack-meme-bot\/\">The itenium Slack Meme Bot\u00ae : Installation<\/a><\/li>\n<li>This Part: The itenium Slack Meme Bot\u00ae : Implementation<\/li>\n<li>Part 3: <a href=\"\/javascript\/ai-the-slack-meme-bot\/\">The itenium Slack Meme Bot\u00ae : with AI?<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>How does the Slack Meme Bot work, technically?<\/p>\n","protected":false},"author":1,"featured_media":2023,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[3],"tags":[20,4],"class_list":["post-1475","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript","tag-fun","tag-product"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - 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