Python : flet app hello fly.io deploy damvfletmaintest

files structure :

❯ tree -L 2 -I 'gambar-petunjuk|README.md'

    ├── Dockerfile
    ├── fly.toml
    ├── main.py
    └── requirements.txt

🪶 code :

🪧 Notes [enable clipboard on Vim] :

• to select all lines in the vim editor is to press the ggVG key, then if you want to copy all the context, also press the "+y key. And if you want to paste it into the vim editor, you can do the key "+p.

• check

  ❯ vim --version | grep clipboard

    +clipboard         -keymap            +printer           +vertsplit
    +eval              -mouse_jsbterm     -sun_workshop      -xterm_clipboard
  

• python

    ❯ vim main.py
  
  
        import flet as ft
  
        def main(page: ft.Page):
  
            appbar = ft.AppBar(
                title = ft.Text("Flet web app", size=45, color="white"),
                bgcolor = "blue"
            )
  
            page.vertical_alignment = ft.MainAxisAlignment.CENTER
            page.horizontal_alignment = ft.CrossAxisAlignment.CENTER
  
            content_1 = ft.Container(
                content = ft.Column([
                    ft.Text("Hello From Flet", size=40)
                ])
            )
  
            content_2 = ft.Container(
                content = ft.Column([
                    ft.Text("by Dhony Abu Muhammad", size=20)
                ])
            )
  
            page.add(appbar, content_1, content_2)
  
        ft.app(target=main, port=8080, view=None)
  

• Dockerfile

    ❯ vim Dockerfile
  
  
        FROM python:3-alpine
  
        WORKDIR /app
  
        COPY requirements.txt ./
        RUN pip install --no-cache-dir -r requirements.txt
  
        COPY . .
  
        EXPOSE 8080
  
        CMD ["python", "./main.py"]
  

🔥 Test application with Docker container

❯ docker build -t flethello .

❯ docker run -d --name flethello-app -p 8080:8080 flethello


# list

❯ docker images

    REPOSITORY   TAG       IMAGE ID       CREATED         SIZE
    flethello    latest    c2776a18e47f   6 seconds ago   143MB

❯ docker ps -a --format "table {{.ID}}\t{{.Image}}\t{{.Status}}\t{{.Names}}\t{{.Ports}}"

    CONTAINER ID   IMAGE       STATUS         NAMES           PORTS
    52eb0a6dc200   flethello   Up 4 seconds   flethello-app   0.0.0.0:8080->8080/tcp

---

Result :

Reset containers :

❯ docker rm -f $(docker ps -aq) && docker rmi -f $(docker images -q)

    52eb0a6dc200
    Untagged: flethello:latest
    Deleted: sha256:c2776a18e47f8296e6d10202a08ea3cf0dbd133f3842673e816169e88d2e61bb

---

---

Stages in deploying the application to fly.io

code :

• toml [Tom's Obvious Minimal Language]

    ❯ vim fly.toml
  
        app = "damvfletmaintest"
  
        kill_signal = "SIGINT"
        kill_timeout = 5
        processes = []
  
        [env]
        FLET_SERVER_PORT = "8080"
  
        [experimental]
        allowed_public_ports = []
        auto_rollback = true
  
        [[services]]
        http_checks = []
        internal_port = 8080
        processes = ["app"]
        protocol = "tcp"
        script_checks = []
  
        [services.concurrency]
            hard_limit = 25
            soft_limit = 20
            type = "connections"
  
        [[services.ports]]
            force_https = true
            handlers = ["http"]
            port = 80
  
        [[services.ports]]
            handlers = ["tls", "http"]
            port = 443
  
        [[services.tcp_checks]]
            grace_period = "1s"
            interval = "15s"
            restart_limit = 0
            timeout = "2s"
  

check version :

❯ flyctl version

    flyctl v0.2.15 darwin/arm64 Commit: 846630217aff135b32ec0d6a018cf6bdde0f1762 BuildDate: 2024-03-10T09:52:28Z

🔰 create Apps :

❯ flyctl apps create --name damvfletmaintest

    automatically selected personal organization: abumuhammad
    New app created: damvfletmaintest

check and watch for updates on the fly.io console dashboard (https://fly.io/dashboard)

🔰 deploy Apps :

❯ flyctl deploy

    ==> Verifying app config
    Validating /Users/.../python-flet-app-hello-fly.io-deploy-damvfletmaintest/fly.toml
    ✓ Configuration is valid
    --> Verified app config
    ==> Building image
    Remote builder fly-builder-throbbing-shadow-8193 ready
    Remote builder fly-builder-throbbing-shadow-8193 ready
    ==> Building image with Docker
    --> docker host: 20.10.12 linux x86_64
    [+] Building 31.9s (9/10)                                                                                                              
    => [internal] load build definition from Dockerfile                                                                              0.1s
    => => transferring dockerfile: 202B                                                                                              0.1s
    => [internal] load .dockerignore                                                                                                 0.1s
    => => transferring context: 2B                                                                                                   0.1s
    => [internal] load metadata for docker.io/library/python:3-alpine                                                                3.7s
    => [1/5] FROM docker.io/library/python:3-alpine@sha256:1a0501213b470de000d8432b3caab9d8de5489e9443c2cc7ccaa6b0aa5c3148e         28.2s
    => => resolve docker.io/library/python:3-alpine@sha256:1a0501213b470de000d8432b3caab9d8de5489e9443c2cc7ccaa6b0aa5c3148e          0.0s
    => => extracting sha256:4abcf20661432fb2d719aaf90656f55c287f8ca915dc1c92ec14ff61e67fbaf8                                         0.1s
    => => sha256:4abcf20661432fb2d719aaf90656f55c287f8ca915dc1c92ec14ff61e67fbaf8 3.41MB / 3.41MB                                    0.1s
    => => sha256:dca80dc46cecdd1a97787a1dd6f74263b9d2f7b0dd3e2e15c109f5e34848c932 622.15kB / 622.15kB                                0.1s
    => => sha256:fe9e15b6315c34de5c802bdbd343e3ec69bdc4ab870783fc1b9552daaef25e77 11.77MB / 11.77MB                                  1.4s
    => => sha256:a8fd6f3f484fdfccf33965ca0f8807e5078a619803cf638d82bc4a405e91de04 242B / 242B                                        1.0s
    => => sha256:4fc96b5c1ba465ba27fb55d4766ade8624de4082ac1530b3293ac735ab3ead50 2.70MB / 2.70MB                                    1.6s
    => => sha256:1a0501213b470de000d8432b3caab9d8de5489e9443c2cc7ccaa6b0aa5c3148e 1.65kB / 1.65kB                                    0.0s
    => => sha256:849ed6079c9f797ca9c1b7d6aea1c00aea3ac35110cbd0d6003f15950017ea8d 1.37kB / 1.37kB                                    0.0s
    => => sha256:c54b53ca8371c4e91a0d13c637c2c89d114b91ffa18289e93387e3e80da979f8 6.04kB / 6.04kB                                    0.0s
    => => extracting sha256:dca80dc46cecdd1a97787a1dd6f74263b9d2f7b0dd3e2e15c109f5e34848c932                                         0.1s
    => => extracting sha256:fe9e15b6315c34de5c802bdbd343e3ec69bdc4ab870783fc1b9552daaef25e77                                         0.4s
    => => extracting sha256:a8fd6f3f484fdfccf33965ca0f8807e5078a619803cf638d82bc4a405e91de04                                         0.0s
    => => extracting sha256:4fc96b5c1ba465ba27fb55d4766ade8624de4082ac1530b3293ac735ab3ead50                                         0.2s
    => [internal] load build context                                                                                                 0.3s
    => => transferring context: 266.08kB                                                                                             0.2s
    => [2/5] WORKDIR /app                                                                                                            0.1s
    => [3/5] COPY requirements.txt ./                                                                                                0.0s
    => [4/5] RUN pip install --no-cache-dir -r requirements.txt                                                                     25.1s
    => [5/5] COPY . .                                                                                                                0.0s 
    => exporting to image                                                                                                            0.7s 
    => => exporting layers                                                                                                           0.7s
    => => writing image sha256:019e94bd9498d9e0c7def52a163574081abd71c183d93e9de3c0d6f8638d1818                                      0.0s
    => => naming to registry.fly.io/damvfletmaintest:deployment-01HRRJ28FJBQ027HR125YCSV7W                                           0.0s
    --> Building image done
    ==> Pushing image to fly
    The push refers to repository [registry.fly.io/damvfletmaintest]
    4540ec53c714: Pushed 
    3b6a513fc8ed: Pushed 
    04290844c800: Pushed 
    eaaac683c25a: Pushed 
    5305019f4685: Pushed 
    d2968c01735e: Pushed 
    0c9bfb14c909: Pushed 
    678cac8b069e: Pushed 
    d4fc045c9e3a: Pushed 
    deployment-01HRRJ28FJBQ027HR125YCSV7W: digest: sha256:7d7e418d3846a9c00577dcde1cb4d40b3a851ec409073391e550b75c404ce7c7 size: 2203
    --> Pushing image done
    image: registry.fly.io/damvfletmaintest:deployment-01HRRJ28FJBQ027HR125YCSV7W
    image size: 139 MB

    Watch your deployment at https://fly.io/apps/damvfletmaintest/monitoring

    Provisioning ips for damvfletmaintest
    Dedicated ipv6: 2a09:8280:1::2d:a64e:0
    Shared ipv4: 66.241.124.165
    Add a dedicated ipv4 with: fly ips allocate-v4

    This deployment will:
    * create 2 "app" machines

    No machines in group app, launching a new machine
    Creating a second machine to increase service availability
    Finished launching new machines
    -------
    ✔ Machine 148ede5c5d4789 [app] update finished: success
    -------
    Checking DNS configuration for damvfletmaintest.fly.dev

    Visit your newly deployed app at https://damvfletmaintest.fly.dev/

check and watch for updates on the fly.io console dashboard (https://fly.io/dashboard)

🔰 check

❯ flyctl status

    App
    Name     = damvfletmaintest                                        
    Owner    = personal                                                
    Hostname = damvfletmaintest.fly.dev                                
    Image    = damvfletmaintest:deployment-01HRRJ28FJBQ027HR125YCSV7W  

    Machines
    PROCESS ID              VERSION REGION  STATE   ROLE    CHECKS                  LAST UPDATED         
    app     080e092c6404e8  1       sin     started         1 total, 1 passing      2024-03-12T05:29:03Z
    app     148ede5c5d4789  1       sin     started         1 total, 1 passing      2024-03-12T05:29:21Z



❯ flyctl ips list

    VERSION IP                      TYPE                    REGION  CREATED AT       
    v6      2a09:8280:1::2d:a64e:0  public (dedicated)      global  40m15s ago      
    v4      66.241.124.165          public (shared)                 Jan 1 0001 00:00

    Learn more about Fly.io public, private, shared and dedicated IP addresses in our docs: https://fly.io/docs/reference/services/#ip-addresses


❯ flyctl services list

    Services
    PROTOCOL        PORTS           HANDLERS        FORCE HTTPS     PROCESS GROUP   REGIONS MACHINES 
    TCP             80 => 8080      [HTTP]          True            app             sin     2       
    TCP             443 => 8080     [TLS,HTTP]      False           app             sin     2       

🔰 open :

❯ flyctl open

    Command "open" is deprecated, use `fly apps open` instead
    opening https://damvfletmaintest.fly.dev/ ...

---

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🔰 delete apps

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