Docker

docker run -d -p 8080:8080 shamimice03/movie-api

golang: movies-api

This code is a simple implementation of a RESTful API for managing movie data. It provides endpoints for retrieving, creating, updating, and deleting movie records. Let's go through the code step by step:

1. The code starts with importing the necessary packages:

   • encoding/json: Used for encoding and decoding JSON data.
   • fmt: Used for formatted I/O.
   • log: Used for logging.
   • math/rand: Used for generating random numbers.
   • net/http: Used for building HTTP servers and clients.
   • strconv: Used for converting string to integer.
   • github.com/gorilla/mux: A popular third-party package for building HTTP routers.

2. Two struct types are defined: Movie and Director. The Movie struct represents a movie record with fields like ID, Imdb, Title, and Director. The Director struct represents the director of a movie with Firstname and Lastname fields.

3. A slice of Movie structs named movies is declared to store the movie data.

4. The code defines several functions that will be used as handlers for different HTTP endpoints:

   • getMovies: Retrieves all movies from the movies slice and sends them as a JSON response.
   • deleteMovie: Deletes a movie from the movies slice based on the provided movie ID in the URL path.
   • getMovie: Retrieves a single movie from the movies slice based on the provided movie ID in the URL path.
   • createMovie: Creates a new movie by decoding the JSON payload from the request body, assigning it a random ID, and appending it to the movies slice.
   • updateMovie: Updates an existing movie by replacing it with a new movie object based on the provided movie ID in the URL path.

5. In the main function, a new router is created using mux.NewRouter().

6. Two movie records are added to the movies slice for demonstration purposes.

7. Different endpoints are registered with their corresponding handler functions using r.HandleFunc(). The registered endpoints are:

   • GET /: Retrieves all movies.
   • GET /movies/{id}: Retrieves a single movie by ID.
   • POST /movies: Creates a new movie.
   • PUT /movies/{id}: Updates an existing movie by ID.
   • DELETE /movies/{id}: Deletes a movie by ID.

8. The server is started by calling http.ListenAndServe() with the router and the desired port number (8080). If the server fails to start, it will log the error message.

9. When the server starts successfully, it prints a message indicating the port number it is listening on.

This code provides a basic API for managing movie data. By making HTTP requests to the defined endpoints, you can interact with the movie records stored in memory.