Basic e2e test

test/e2e/Dockerfile

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+FROM node:18-alpine
+
+# Install bash and basic utilities (Alpine uses apk, not apt-get)
+RUN apk add --no-cache bash curl
+
+# Create a test user to simulate real user environment (Alpine syntax)
+RUN addgroup -S testuser && adduser -S testuser -G testuser -s /bin/bash
+
+# Set working directory
+WORKDIR /app
+
+# Copy package files first for better caching
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy the rest of the application
+COPY . .
+
+# Switch to test user
+USER testuser
+
+# Create home directory structure that bash expects
+RUN mkdir -p /home/testuser
+
+# Set environment variables for testing
+ENV HOME=/home/testuser
+ENV SHELL=/bin/bash
+
+# Default command runs our test
+CMD ["bash", "test/e2e/test-setup.sh"]