Initial commit: MyCrib API in Go

Complete rewrite of Django REST API to Go with:
- Gin web framework for HTTP routing
- GORM for database operations
- GoAdmin for admin panel
- Gorush integration for push notifications
- Redis for caching and job queues

Features implemented:
- User authentication (login, register, logout, password reset)
- Residence management (CRUD, sharing, share codes)
- Task management (CRUD, kanban board, completions)
- Contractor management (CRUD, specialties)
- Document management (CRUD, warranties)
- Notifications (preferences, push notifications)
- Subscription management (tiers, limits)

Infrastructure:
- Docker Compose for local development
- Database migrations and seed data
- Admin panel for data management

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

docker/Dockerfile

@@ -0,0 +1,43 @@
+# Build stage
+FROM golang:1.21-alpine AS builder
+
+WORKDIR /app
+
+# Install build dependencies
+RUN apk add --no-cache git ca-certificates
+
+# Copy go mod files
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build binaries
+RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o mycrib-api ./cmd/api
+RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o mycrib-worker ./cmd/worker
+
+# Runtime stage
+FROM alpine:3.19
+
+WORKDIR /app
+
+# Install runtime dependencies
+RUN apk add --no-cache ca-certificates tzdata
+
+# Copy binaries from builder
+COPY --from=builder /app/mycrib-api .
+COPY --from=builder /app/mycrib-worker .
+
+# Copy templates if needed
+COPY --from=builder /app/templates ./templates
+
+# Create non-root user
+RUN adduser -D -g '' appuser
+USER appuser
+
+# Expose port
+EXPOSE 8000
+
+# Default command (API server)
+CMD ["./mycrib-api"]