diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 359aff0fd0..eb41f11cea 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,9 +1,38 @@
+// For format details, see https://aka.ms/devcontainer.json.
 {
   "name": "Homebrew/brew",
   "image": "ghcr.io/homebrew/brew:latest",
+
   "workspaceFolder": "/home/linuxbrew/.linuxbrew/Homebrew",
   "workspaceMount": "source=${localWorkspaceFolder},target=/home/linuxbrew/.linuxbrew/Homebrew,type=bind,consistency=cached",
+
   "onCreateCommand": ".devcontainer/on-create-command.sh",
+
+  "customizations": {
+    "vscode": {
+      "settings": {
+        // Turns off the display of CPU and battery frequency (because it's useless)
+        // This setting is only required for GitHub Codespaces
+        "resmon.show.battery": false,
+        "resmon.show.cpufreq": false
+      },
+
+      // Installing all necessary extensions for vscode
+      // Taken from: .vscode/extensions.json
+      "extensions": [
+        "kaiwood.endwise",
+        "lorankloeze.ruby-rubocop-revived",
+        "rebornix.ruby",
+        "sorbet.sorbet-vscode-extension",
+        "github.vscode-github-actions",
+        "timonwong.shellcheck",
+        "foxundermoon.shell-format",
+        "davidanson.vscode-markdownlint",
+        "editorconfig.editorconfig"
+      ]
+    }
+  },
+
   "remoteEnv": {
     "HOMEBREW_GITHUB_API_TOKEN": "${localEnv:GITHUB_TOKEN}"
   }
diff --git a/.devcontainer/ubuntu18.04/devcontainer.json b/.devcontainer/ubuntu18.04/devcontainer.json
index 9e2f7d5276..47ec4c48a3 100644
--- a/.devcontainer/ubuntu18.04/devcontainer.json
+++ b/.devcontainer/ubuntu18.04/devcontainer.json
@@ -1,9 +1,38 @@
+// For format details, see https://aka.ms/devcontainer.json.
 {
   "name": "Homebrew/brew-ubuntu18.04",
   "image": "ghcr.io/homebrew/ubuntu18.04:latest",
+
   "workspaceFolder": "/home/linuxbrew/.linuxbrew/Homebrew",
   "workspaceMount": "source=${localWorkspaceFolder},target=/home/linuxbrew/.linuxbrew/Homebrew,type=bind,consistency=cached",
+
   "onCreateCommand": ".devcontainer/on-create-command.sh",
+
+  "customizations": {
+    "vscode": {
+      "settings": {
+        // Turns off the display of CPU and battery frequency (because it's useless)
+        // This setting is only required for GitHub Codespaces
+        "resmon.show.battery": false,
+        "resmon.show.cpufreq": false
+      },
+
+      // Installing all necessary extensions for vscode
+      // Taken from: .vscode/extensions.json
+      "extensions": [
+        "kaiwood.endwise",
+        "lorankloeze.ruby-rubocop-revived",
+        "rebornix.ruby",
+        "sorbet.sorbet-vscode-extension",
+        "github.vscode-github-actions",
+        "timonwong.shellcheck",
+        "foxundermoon.shell-format",
+        "davidanson.vscode-markdownlint",
+        "editorconfig.editorconfig"
+      ]
+    }
+  },
+
   "remoteEnv": {
     "HOMEBREW_GITHUB_API_TOKEN": "${localEnv:GITHUB_TOKEN}"
   }