init

backend/Dockerfile.dev

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+# Development Dockerfile with hot reload
+FROM golang:1.24-alpine
+
+WORKDIR /app
+
+# Install air for hot reload
+# Use GOTOOLCHAIN=auto to allow Go to download a newer toolchain if needed
+ENV GOTOOLCHAIN=auto
+RUN go install github.com/air-verse/air@latest
+
+# Install migrate for database migrations
+RUN go install -tags 'postgres' github.com/golang-migrate/migrate/v4/cmd/migrate@latest
+
+# Copy go mod files first for caching
+COPY go.mod ./
+RUN go mod download
+
+# Copy source code (will be overridden by volume mount)
+COPY . .
+
+# Create data directory
+RUN mkdir -p /app/data
+
+EXPOSE 8080
+
+# Use air for hot reload
+CMD ["air", "-c", ".air.toml"]