<p></p>
<p><b>@pablobm</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/6424#discussion_r2481663964">.devcontainer/devcontainer.json</a>:</p>
<pre style='color:#555'>> +
+  // Features to add to the dev container. More info: https://containers.dev/features.
+  "features": {
+    "ghcr.io/devcontainers/features/github-cli:1": {},
+    "ghcr.io/devcontainers/features/node:1": {},
+    "ghcr.io/rails/devcontainer/features/activestorage": {},
+    "ghcr.io/rails/devcontainer/features/postgres-client": {}
+  },
+
+  "containerEnv": {
+    "CAPYBARA_SERVER_PORT": "45678",
+    "DB_HOST": "postgres"
+  },
+
+  // Use 'forwardPorts' to make a list of ports inside the container available locally.
+  "forwardPorts": [3000, 5432, 6379],
</pre>
<p dir="auto">Good catch. The Redis port is a leftover that I failed to remove. The initial command <code class="notranslate">bin/rails devcontainer</code> generates a configuration that includes Redis, which I removed except for that detail.</p>
<p dir="auto">As for the use of the list of ports... actually I have no idea. I'm no expert either, and I was playing with it now and I can't make any sense of it. I can't access Postgres from outside the container, and if I remove 3000 I can still access the web server with my browser. I'm now wondering if we should remove this line altogether as I don't know what it does at all 🤔 The documentation is not very clear.</p>

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