init

server/.gitignore

@@ -0,0 +1,2 @@
+*.db
+uploads/

server/Dockerfile

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+# Stage 1: Build the Go binary
+FROM golang:alpine AS builder
+
+# Set up dependencies and install SQLite development files
+RUN apk add --no-cache build-base git sqlite-dev
+
+# Set the working directory
+WORKDIR /server
+
+# Copy the Go module files and download dependencies
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy the source code
+COPY . .
+
+# Build the server binary with CGO enabled
+RUN CGO_ENABLED=1 go build -o server server.go
+
+# Stage 2: Run the server
+FROM alpine:latest
+
+# Copy the server binary from the builder stage
+COPY --from=builder /server/server /server
+
+# Expose the port
+EXPOSE 8080
+
+# Run the server
+CMD ["/server"]

server/README.md

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+# room-server
+
+This project implements the backend server for a collaborative text editor using WebSockets, allowing multiple users to edit text in real-time within designated rooms.
+
+## Features
+
+- Real-time text updates among clients.
+- Join and leave functionality for collaborative editing sessions.
+- Automatic cleanup of inactive rooms.
+- Persistent storage of room content.
+
+## Technologies Used
+
+- WebSockets
+- SQLite
+
+## Getting Started
+
+### Prerequisites
+
+- Go
+- SQLite
+
+### Usage
+
+1. Clone the repository.
+2. Deploy using Docker Compose.
+
+### Using the Application
+
+- Connect to the WebSocket endpoint.
+- Send a JSON message to join a room.
+- Send text updates in JSON format.
+
+### Room Cleanup
+
+- Inactive rooms are automatically deleted after a specified duration.
+
+## Contributing
+
+Contributions are welcome! Please fork the repository and create a pull request.
+
+## License
+
+This project is open-source and available under the [MIT License](LICENSE).
+
+## Acknowledgments
+
+- Thanks to Me!

server/compose.yml

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+services:
+  server:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - "8083:8080"
+    restart: unless-stopped
+    volumes:
+      - ./uploads:/app/uploads
+    environment:
+      - FILES_DIR=/app/uploads

server/go.mod

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+module server
+
+go 1.23.2
+
+require (
+	github.com/gorilla/websocket v1.5.3
+	github.com/joho/godotenv v1.5.1
+	github.com/mattn/go-sqlite3 v1.14.24
+)

server/go.sum

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+github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
+github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
+github.com/mattn/go-sqlite3 v1.14.24 h1:tpSp2G2KyMnnQu99ngJ47EIkWVmliIizyZBfPrBWDRM=
+github.com/mattn/go-sqlite3 v1.14.24/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=