diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
new file mode 100644
index 0000000..cc2df7c
--- /dev/null
+++ b/.devcontainer/Dockerfile
@@ -0,0 +1,10 @@
+FROM mcr.microsoft.com/devcontainers/ruby:latest
+
+# Install system dependencies including libvips
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    git \
+    libvips42 \
+    libvips-dev \
+    && rm -rf /var/lib/apt/lists/*
+
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 8bd08eb..4f709dd 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,7 +1,8 @@
 {
 	"name": "blog",
-	"image": "mcr.microsoft.com/devcontainers/ruby:latest",
-	"features": {},
+	"build": {
+		"dockerfile": "Dockerfile"
+	},
 	"customizations": {
 		"vscode": {
 			"extensions": [