From 9f64d3a18eb92c4845dac38265acecef2931490b Mon Sep 17 00:00:00 2001
From: Adam Mathes <adam@adammathes.com>
Date: Sun, 15 Feb 2026 14:11:19 -0800
Subject: Add devcontainer configuration and update documentation for
 containerized development

---
 .devcontainer/devcontainer.json |  8 ++------
 README.md                       | 22 ++++++++++++++++++++++
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index af4ea12..d7ada69 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,14 +1,10 @@
+// Note: This config is untested in Antigravity. Use vanilla Docker for reliability 
 {
-    "name": "Neko (Podman)",
+    "name": "Neko (Dev)",
     "build": {
         "dockerfile": "Dockerfile",
         "context": ".."
     },
-    "features": {
-        "ghcr.io/devcontainers/features/node:1": {
-            "node": "20"
-        }
-    },
     "customizations": {
         "vscode": {
             "settings": {
diff --git a/README.md b/README.md
index 759a52e..ad0744b 100644
--- a/README.md
+++ b/README.md
@@ -131,6 +131,28 @@ Utility scripts and test wrappers are located in the `scripts/` directory:
 - `scripts/run_e2e_safe.sh`: A safe wrapper for running Playwright E2E tests.
 - `scripts/run_e2e.sh`: Standard E2E test runner.
 
+
+### Development with Containers
+
+If you don't have Go or Node installed locally, or prefer an isolated environment, you can use the provided Dockerfile. Note that the `.devcontainer` VS Code integration has encountered issues with some setups (e.g. Antigravity + Colima), so manual Docker commands are recommended as a fallback.
+
+1. **Build the development image**:
+   ```bash
+   docker build -t neko-dev -f .devcontainer/Dockerfile .
+   ```
+
+2. **Run tests**:
+   ```bash
+   # Runs backend tests, installs frontend deps, and runs frontend tests
+   docker run --rm -v $(pwd):/workspace -w /workspace neko-dev \
+     bash -c "go test ./... && cd frontend && npm install && npm test"
+   ```
+
+3. **Interactive shell**:
+   ```bash
+   docker run -it --rm -v $(pwd):/workspace -w /workspace neko-dev bash
+   ```
+
 # Configuration
 
 Everything can handled with a few command line flags. You shouldn't need to change the defaults most of the time.
-- 
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