dev: setup devcontainer

Author: gildesmarais

.devcontainer/Dockerfile

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+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.245.2/containers/ruby/.devcontainer/base.Dockerfile
+
+ARG VARIANT="3.4-bullseye"
+FROM mcr.microsoft.com/vscode/devcontainers/ruby:${VARIANT}
+
+ARG NODE_VERSION="22"
+RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"
+
+# [Optional] Uncomment this section to install additional OS packages.
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+    && apt-get -y install --no-install-recommends \
+    make
+
+# [Optional] Uncomment this line to install additional gems.
+# RUN gem install <your-gem-names-here>

.devcontainer/devcontainer.json

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+{
+  "name": "Jekyll",
+  "build": {
+    "dockerfile": "Dockerfile"
+  },
+  "forwardPorts": [4000],
+  "postCreateCommand": "make setup",
+  "postStartCommand": "make serve",
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "sissel.shopify-liquid",
+        "esbenp.prettier-vscode",
+        "ms-vscode.makefile-tools"
+      ]
+    }
+  }
+}