Cinema 3 - (Extremely Simplified) Example of Microservices in Python

Overview

microservices-master.zip

Cinema 3 is an example project which demonstrates the use of microservices for a fictional movie theater. The Cinema 3 backend is powered by 4 microservices, all of which happen to be written in Python using Flask.

• Movie Service: Provides information like movie ratings, title, etc.
• Show Times Service: Provides show times information.
• Booking Service: Provides booking information.
• Users Service: Provides movie suggestions for users by communicating with other services.

Requirements

• Python 2.7
• Works on Linux, Windows, Mac OSX and (quite possibly) BSD.

Install

The quick way is use the provided make file.

 $ make install 

Starting and Stopping Services

To launch the services:

 $ make launch 

To stop the services:

 $ make shutdown 

APIs and Documentation

Movie Service (port 5001)

This service is used to get information about a movie. It provides the movie title, rating on a 1-10 scale, director and other information.

To lookup all movies in the database, hit: http://127.0.0.1:5001/movies

GET /movies
Returns a list of all movies.

{
    "267eedb8-0f5d-42d5-8f43-72426b9fb3e6": {
        "director": "Ryan Coogler", 
        "id": "267eedb8-0f5d-42d5-8f43-72426b9fb3e6", 
        "rating": 8.8, 
        "title": "Creed"
}, 
...... output truncated ...... 

To lookup a movie by its id:

GET /movies/7daf7208-be4d-4944-a3ae-c1c2f516f3e6
Returns the specified movie.

{
    "director": "Paul McGuigan", 
    "id": "7daf7208-be4d-4944-a3ae-c1c2f516f3e6", 
    "rating": 6.4, 
    "title": "Victor Frankenstein", 
    "uri": "/movies/7daf7208-be4d-4944-a3ae-c1c2f516f3e6"
}

Showtimes Service (port 5002)

This service is used get a list of movies playing on a certain date.

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어린이용이며, 설치가 필요없는 브라우저 게임입니다.
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To lookup all showtimes, hit: http://127.0.0.1:5002/showtimes

GET /showtimes
Returns a list of all showtimes by date.

{
"20151130": [
    "720d006c-3a57-4b6a-b18f-9b713b073f3c", 
    "a8034f44-aee4-44cf-b32c-74cf452aaaae", 
    "39ab85e5-5e8e-4dc5-afea-65dc368bd7ab"
], 
...... output truncated ...... 

To get movies playing on a certain date:

GET /showtimes/20151201
Returns all movies playing on the date.

[
    "267eedb8-0f5d-42d5-8f43-72426b9fb3e6", 
    "7daf7208-be4d-4944-a3ae-c1c2f516f3e6", 
    "39ab85e5-5e8e-4dc5-afea-65dc368bd7ab", 
    "a8034f44-aee4-44cf-b32c-74cf452aaaae"
]

Booking Service (port 5003)

Used to lookup booking information for users.

To get all bookings by all users in the system, hit: http://127.0.0.1:5003/bookings

GET /bookings
Returns a list of booking information for all bookings in the database.

{
    "chris_rivers": {
        "20151201": [
            "267eedb8-0f5d-42d5-8f43-72426b9fb3e6"
        ]
    }, 
    ...... output truncated ...... 

To lookup booking information for a user:

GET /bookings/dwight_schrute

    {
        "20151201": [
            "7daf7208-be4d-4944-a3ae-c1c2f516f3e6", 
            "267eedb8-0f5d-42d5-8f43-72426b9fb3e6"
        ], 
        "20151205": [
            "a8034f44-aee4-44cf-b32c-74cf452aaaae", 
            "276c79ec-a26a-40a6-b3d3-fb242a5947b6"
        ]
    }

User Service (port 5000)

This service returns information about the users of Cinema 3 and also provides movie suggestions to the users. It communicates with other services to retrieve booking or movie information.

To get a list of all the users in the system, hit: http://127.0.0.1:5000/users

GET /users
Returns a list of all users in the database.

{
    "chris_rivers": {
        "id": "chris_rivers", 
        "last_active": 1360031010, 
        "name": "Chris Rivers"
    }, 
    ...... output truncated ...... 

To lookup information about a user:

GET /users/michael_scott
{
    "id": "michael_scott", 
    "last_active": 1360031625, 
    "name": "Michael Scott"
}

To get suggested movies for a user:

GET /users/michael_scott/suggested

[출처] https://github.com/umermansoor/microservices#cinema-3---extremely-simplified-example-of-microservices-in-python