Add configuration for GitHub Codespaces

.devcontainer/Dockerfile

@@ -0,0 +1,17 @@
+FROM mcr.microsoft.com/devcontainers/python:3.12
+
+# Install dependency to make bash completion work with invoke
+RUN apt-get update && \
+    export DEBIAN_FRONTEND=noninteractive && \
+    apt-get install -y bash-completion && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+USER vscode
+
+# pipx is already installed in the base devcontainers Python image
+RUN pipx install invoke && \
+    invoke --print-completion-script=bash >> ~/.bash_completion
+
+RUN pipx install poetry && \
+    poetry completions bash >> ~/.bash_completion

.devcontainer/devcontainer.json

@@ -0,0 +1,40 @@
+{
+  "build": {
+    "dockerfile": "Dockerfile"
+  },
+  "features": {
+    "ghcr.io/devcontainers/features/docker-in-docker:2": {
+      // Install Docker CE instead of an (by default) older Moby version
+      "moby": false
+    },
+    "ghcr.io/devcontainers/features/node:1": {}
+  },
+  // https://github.com/orgs/community/discussions/50403
+  // "initializeCommand": "docker system prune --all --force",
+  "postCreateCommand": "poetry install && poetry run invoke init-workspace",
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "batisteo.vscode-django",
+        "charliermarsh.ruff",
+        "davidanson.vscode-markdownlint",
+        "eamodio.gitlens",
+        "esbenp.prettier-vscode",
+        "formulahendry.auto-close-tag",
+        "formulahendry.auto-rename-tag",
+        "foxundermoon.shell-format",
+        "jock.svg",
+        "mhutchie.git-graph",
+        "mikestead.dotenv",
+        "monosans.djlint",
+        "ms-azuretools.vscode-docker",
+        "ms-pyright.pyright",
+        "ms-python.python",
+        "streetsidesoftware.code-spell-checker",
+        "tamasfe.even-better-toml",
+        "wayou.vscode-todo-highlight",
+        "xabikos.javascriptsnippets"
+      ]
+    }
+  }
+}