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Azure, Docker Compose: App Services, Web App

Update 30.01.2024: It works now. See my answer below

The following was the starting point

I try to host a Web App with Azure via Docker Compose.

When I run sudo docker-compose up --build on my computer, everything works fine.

But when I try to run it on Azure I get the following error in the log stream:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"/><title>502 - Web server received an invalid response while acting as a gateway or proxy server.</title><style type="text/css"><!--body{margin:0;font-size:.7em;font-family:Verdana, Arial, Helvetica, sans-serif;background:#EEEEEE;}fieldset{padding:0 15px 10px 15px;}h1{font-size:2.4em;margin:0;color:#FFF;}h2{font-size:1.7em;margin:0;color:#CC0000;}h3{font-size:1.2em;margin:10px 0 0 0;color:#000000;}#header{width:96%;margin:0 0 0 0;padding:6px 2% 6px 2%;font-family:"trebuchet MS", Verdana, sans-serif;color:#FFF;background-color:#555555;}#content{margin:0 0 0 2%;position:relative;}.content-container{background:#FFF;width:96%;margin-top:8px;padding:10px;position:relative;}--></style></head><body><div id="header"><h1>Server Error</h1></div><div id="content"><div class="content-container"><fieldset><h2>502 - Web server received an invalid response while acting as a gateway or proxy server.</h2><h3>There is a problem with the page you are looking for, and it cannot be displayed. When the Web server (while acting as a gateway or proxy) contacted the upstream content server, it received an invalid response from the content server.</h3></fieldset></div></div></body></html>

My docker-compose.yml which I use to build the containers locally:

# docker compose file version
# It is a docker intrinsic number.
version: '3.8'

services:

  web:
    build:
      context: .
      dockerfile: Dockerfile
    image:
         # registry_path:tag (tag defines name in registry)  
         fastapiuploadfiles.azurecr.io/uploadfiles:web_app
    ports:
        # Host Port:Container Port
      - 80:8080
    command: uvicorn app.upload_file:app --host 0.0.0.0
    volumes:
      - .:/api_code
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    depends_on:
      - redis

  
  worker:
    build:
      context: .
      dockerfile: Dockerfile   
    image: fastapiuploadfiles.azurecr.io/uploadfiles:worker_app
    command: celery --app=celery_task_app.worker.celery_app worker --loglevel=info --logfile=logs/celery.log
    volumes:
      - .:/api_code
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    depends_on:
      - web
      - redis

  
  redis:
    image: redis:7


  dashboard:
    build: 
      context: .
      dockerfile: Dockerfile
    image: fastapiuploadfiles.azurecr.io/uploadfiles:dashboard_app
    command: celery --broker=redis://redis:6379/0 flower --port=8080
    ports:
      - 8080:8080
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    depends_on:
      - web
      - redis
      - worker

My docker file:

# Start from the official Python base image.

FROM python:3.9


# Set the current working directory to "." (current directory)
# If you want to change set WORKDIR ./selected_dir
# This is where we'll put the requirements.txt file and the app directory.
WORKDIR /api_code

# set environment variables
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

# install dependencies
RUN pip install --upgrade pip

# Copy the file with the requirements to the ./api_code directory.
# Copy only the file with the requirements first, not the rest of the code.
# As this file doesn't change often, Docker will detect it and use the cache for this step,
# enabling the cache for the next step too.
COPY ./requirements.txt /api_code/requirements.txt


# Install the package dependencies in the requirements file.
RUN pip install --no-cache-dir --upgrade -r /api_code/requirements.txt

RUN apt-get -y update && apt-get -y upgrade && apt-get install -y --no-install-recommends ffmpeg


# torch
#RUN pip install torch==1.13.0+cpu torchvision==0.14.0+cpu torchaudio==0.13.0 --extra-index-url https://download.pytorch.org/whl/cpu
RUN pip3 install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cpu


# whisper X
RUN pip install git+https://github.com/m-bain/whisperx.git


# Copy the ./app directory inside the ./api_code/app directory.
# As this has all the code which is what changes most
# frequently the Docker cache won't be used for this or
# any following steps easily.
# So, it's important to put this near the end of the
# Dockerfile, to optimize the container image build times.

COPY ./app /api_code/app

COPY ./logs /api_code/logs

COPY ./celery_task_app /api_code/celery_task_app

EXPOSE 80

Here are my steps regarding Azure:

  1. Upload images with bash script to the Azure Container Registry:

    #!/bin/sh

cat azure_pwd | docker login fastapiuploadfiles.azurecr.io -u fastapiuploadfiles --password-stdin

cd dir_to_push

docker-compose build --pull

echo -ne "ndocker ps:n"

docker ps

echo -ne "ndocker images:n"

docker images

echo -ne "n Start push:n"

docker-compose push

(2) Create Azure Web App via the website. At this point, I am unsure what the docker-compose.yml file that Azure expects should look like. I used the yml above and I used the yml above without the build parameter. But is that right? Both gave me the same error I mentioned above. Because of this link I also used the following yml for Azure:

# docker compose file version
# It is a docker intrinsic number.
version: '3.8'

services:

  web:
    image:
         # registry_path:tag (tag defines name in registry)  
         fastapiuploadfiles.azurecr.io/uploadfiles:web_app
    ports:
        # Host Port:Container Port
      - 80:8080
    command: uvicorn app.upload_file:app --host 0.0.0.0
    volumes:
      - .:/api_code
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    

  
  worker:
    image: fastapiuploadfiles.azurecr.io/uploadfiles:worker_app
    command: celery --app=celery_task_app.worker.celery_app worker --loglevel=info --logfile=logs/celery.log
    volumes:
      - .:/api_code
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    

  
  redis:
    image: redis:7


  dashboard:
    image: fastapiuploadfiles.azurecr.io/uploadfiles:dashboard_app
    command: celery --broker=redis://redis:6379/0 flower --port=8080
    ports:
      - 8080:8080
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0

I tried to find a solution but all the templates which tell me how the yml file has to look like for Azure have failed.

Update

Azure says me:
(A)

Some container port settings were found from logs
Exposed port by container
8080
Listening port by container
Unknown

(B) Log file:

Ok
2024-01-16T17:35:08.023

INFO  - fe63dfc5d102 Extracting 294MB / 297MB
  Ok

2024-01-16T17:35:10.699
INFO  - fe63dfc5d102 Extracting 297MB / 297MB
  Ok

2024-01-16T17:35:10.851
INFO  - fe63dfc5d102 Pull complete
  Ok

2024-01-16T17:35:10.852
INFO  - 4e06fb156a35 Extracting 32KB / 141KB
  Ok

2024-01-16T17:35:10.892
INFO  - 4e06fb156a35 Extracting 141KB / 141KB
  Ok

2024-01-16T17:35:10.902
INFO  - 4e06fb156a35 Pull complete
  Ok

2024-01-16T17:35:10.904
INFO  - 2bbbb0546bb4 Extracting 13KB / 13KB
  Ok

2024-01-16T17:35:10.947
INFO  - 2bbbb0546bb4 Extracting 13KB / 13KB
  Ok

2024-01-16T17:35:10.953
INFO  - 2bbbb0546bb4 Pull complete
  Ok

2024-01-16T17:35:10.955
INFO  - ac86d66f05e7 Extracting 3KB / 3KB
  Ok

2024-01-16T17:35:10.959
INFO  - ac86d66f05e7 Extracting 3KB / 3KB
  Ok

2024-01-16T17:35:11.002
INFO  - ac86d66f05e7 Pull complete
  Ok

2024-01-16T17:35:11.088
INFO  -  Digest: sha256:b57a692c3859e204572a47aedb4602e2a4f6f2c85a8cbdc0e11cb1fa97579196
  Ok

2024-01-16T17:35:11.09
INFO  -  Status: Downloaded newer image for fastapiuploadfiles.azurecr.io/uploadfiles:web_app
  Ok

2024-01-16T17:35:11.102
INFO  - Pull Image successful, Time taken: 202 Seconds
  Ok

2024-01-16T17:35:11.111
INFO  - Starting container for site

  Warning
2024-01-16T17:35:11.111

INFO  - docker run -d -p 8603:8080 --name api-celery_web_0_306850dd -e WEBSITES_ENABLE_APP_SERVICE_STORAGE=false -e WEBSITE_SITE_NAME=api-celery -e WEBSITE_AUTH_ENABLED=False -e WEBSITE_ROLE_INSTANCE_ID=0 -e WEBSITE_HOSTNAME=api-celery.azurewebsites.net -e WEBSITE_INSTANCE_ID=7fad53901ff1c3f65572da614477223d2fcd732e602f4adf52edc818614e0589 -e HTTP_LOGGING_ENABLED=1 fastapiuploadfiles.azurecr.io/uploadfiles:web_app uvicorn app.upload_file:app --host 0.0.0.0
  Ok

2024-01-16T17:35:13.182
INFO  - Pulling image: fastapiuploadfiles.azurecr.io/uploadfiles:worker_app
  Ok

2024-01-16T17:35:13.432
INFO  - worker_app Pulling from uploadfiles
  Ok

2024-01-16T17:35:13.46
INFO  -  Digest: sha256:b57a692c3859e204572a47aedb4602e2a4f6f2c85a8cbdc0e11cb1fa97579196
  Ok

2024-01-16T17:35:13.461
INFO  -  Status: Downloaded newer image for fastapiuploadfiles.azurecr.io/uploadfiles:worker_app
  Ok

2024-01-16T17:35:13.473
INFO  - Pull Image successful, Time taken: 0 Seconds
  Ok

2024-01-16T17:35:13.481
INFO  - Starting container for site
  Ok

2024-01-16T17:35:13.481
INFO  - docker run -d  --name api-celery_worker_0_306850dd -e WEBSITES_ENABLE_APP_SERVICE_STORAGE=false -e WEBSITE_SITE_NAME=api-celery -e WEBSITE_AUTH_ENABLED=False -e WEBSITE_ROLE_INSTANCE_ID=0 -e WEBSITE_HOSTNAME=api-celery.azurewebsites.net -e WEBSITE_INSTANCE_ID=7fad53901ff1c3f65572da614477223d2fcd732e602f4adf52edc818614e0589 -e HTTP_LOGGING_ENABLED=1 fastapiuploadfiles.azurecr.io/uploadfiles:worker_app celery --app=celery_task_app.worker.celery_app worker --loglevel=info --logfile=logs/celery.log
  Ok

2024-01-16T17:35:13.503
INFO  - Pulling image: redis:7
  Warning
2024-01-16T17:35:14.112
ERROR - DockerApiException: Docker API responded with status code=InternalServerError, response={"message":"Head "https://registry-1.docker.io/v2/library/redis/manifests/7": unauthorized: incorrect username or password"}
  Ok

2024-01-16T17:35:14.112
  Ok

2024-01-16T17:35:14.112
ERROR - Pulling docker image redis:7 failed:
  Ok

2024-01-16T17:35:15.454
INFO  - 7 Pulling from library/redis
  Ok

2024-01-16T17:35:15.856
INFO  - 2f44b7a888fa Pulling fs layer
  Ok

2024-01-16T17:35:15.856
INFO  - c55535369ffc Pulling fs layer
  Ok

2024-01-16T17:35:15.856
INFO  - 3622841bf0aa Pulling fs layer
  Ok

2024-01-16T17:35:15.856
INFO  - 91a62ca7377a Pulling fs layer
  Ok

2024-01-16T17:35:15.856
INFO  - fdd219d1f4ab Pulling fs layer
  Ok

2024-01-16T17:35:15.856
INFO  - fdf07fe2fb4c Pulling fs layer
  Ok

2024-01-16T17:35:15.856
INFO  - 4f4fb700ef54 Pulling fs layer
  Ok

2024-01-16T17:35:15.856
INFO  - fba604e70bfe Pulling fs layer
  Ok

2024-01-16T17:35:16.189
INFO  - 3622841bf0aa Downloading 721B / 875B
  Ok

2024-01-16T17:35:16.189
INFO  - 3622841bf0aa Downloading 875B / 875B
  Ok

2024-01-16T17:35:16.189
INFO  - 3622841bf0aa Verifying Checksum
  Ok

2024-01-16T17:35:16.189
INFO  - 3622841bf0aa Download complete
  Ok

2024-01-16T17:35:16.191
INFO  - fdf07fe2fb4c Downloading 96B / 96B
  Ok

2024-01-16T17:35:16.191
INFO  - fdf07fe2fb4c Verifying Checksum
  Ok

2024-01-16T17:35:16.191
INFO  - fdf07fe2fb4c Download complete
  Ok

2024-01-16T17:35:16.197
INFO  - c55535369ffc Downloading 1KB / 1KB
  Ok

2024-01-16T17:35:16.197
INFO  - c55535369ffc Verifying Checksum
  Ok

2024-01-16T17:35:16.198
INFO  - c55535369ffc Download complete
  Ok

2024-01-16T17:35:16.198
INFO  - fba604e70bfe Downloading 572B / 572B
  Ok

2024-01-16T17:35:16.198
INFO  - fba604e70bfe Verifying Checksum
  Ok

2024-01-16T17:35:16.198
INFO  - fba604e70bfe Download complete
  Ok

2024-01-16T17:35:16.205
INFO  - 91a62ca7377a Verifying Checksum
  Ok

2024-01-16T17:35:16.206
INFO  - 91a62ca7377a Download complete
  Ok

2024-01-16T17:35:16.208
INFO  - 4f4fb700ef54 Downloading 32B / 32B
  Ok

2024-01-16T17:35:16.209
INFO  - 4f4fb700ef54 Verifying Checksum
  Ok

2024-01-16T17:35:16.209
INFO  - 4f4fb700ef54 Download complete
  Ok

2024-01-16T17:35:16.359
INFO  - fdd219d1f4ab Verifying Checksum
  Ok

2024-01-16T17:35:16.36
INFO  - fdd219d1f4ab Download complete
  Ok

2024-01-16T17:35:16.483
INFO  - 2f44b7a888fa Verifying Checksum
  Ok

2024-01-16T17:35:16.483
INFO  - 2f44b7a888fa Download complete
  Ok

2024-01-16T17:35:16.651
INFO  - 2f44b7a888fa Extracting 3MB / 27MB
  Ok

2024-01-16T17:35:16.979
INFO  - 2f44b7a888fa Extracting 11MB / 27MB
  Ok

2024-01-16T17:35:17.081
INFO  - 2f44b7a888fa Extracting 15MB / 27MB
  Ok

2024-01-16T17:35:17.286
INFO  - 2f44b7a888fa Extracting 21MB / 27MB
  Ok

2024-01-16T17:35:17.514
INFO  - 2f44b7a888fa Extracting 26MB / 27MB
  Ok

2024-01-16T17:35:17.746
INFO  - 2f44b7a888fa Extracting 27MB / 27MB
  Ok

2024-01-16T17:35:17.788
INFO  - 2f44b7a888fa Pull complete
  Ok

2024-01-16T17:35:17.79
INFO  - c55535369ffc Extracting 1KB / 1KB
  Ok

2024-01-16T17:35:17.793
INFO  - c55535369ffc Extracting 1KB / 1KB
  Ok

2024-01-16T17:35:17.84
INFO  - c55535369ffc Pull complete
  Ok

2024-01-16T17:35:17.842
INFO  - 3622841bf0aa Extracting 875B / 875B
  Ok

2024-01-16T17:35:17.845
INFO  - 3622841bf0aa Extracting 875B / 875B
  Ok

2024-01-16T17:35:17.888
INFO  - 3622841bf0aa Pull complete
  Ok

2024-01-16T17:35:17.89
INFO  - 91a62ca7377a Extracting 32KB / 1MB
  Ok

2024-01-16T17:35:17.979
INFO  - 91a62ca7377a Extracting 1MB / 1MB
  Ok

2024-01-16T17:35:17.981
INFO  - 91a62ca7377a Extracting 1MB / 1MB
  Ok

2024-01-16T17:35:17.988
INFO  - 91a62ca7377a Pull complete
  Ok

2024-01-16T17:35:18.159
INFO  - fdd219d1f4ab Extracting 1MB / 19MB
  Ok

2024-01-16T17:35:18.464
INFO  - fdd219d1f4ab Extracting 8MB / 19MB
  Ok

2024-01-16T17:35:18.969
INFO  - fdd219d1f4ab Extracting 19MB / 19MB
  Ok

2024-01-16T17:35:18.986
INFO  - fdd219d1f4ab Pull complete
  Ok

2024-01-16T17:35:18.988
INFO  - fdf07fe2fb4c Extracting 96B / 96B
  Ok

2024-01-16T17:35:18.991
INFO  - fdf07fe2fb4c Extracting 96B / 96B
  Ok

2024-01-16T17:35:19.036
INFO  - fdf07fe2fb4c Pull complete
  Ok

2024-01-16T17:35:19.038
INFO  - 4f4fb700ef54 Extracting 32B / 32B
  Ok

2024-01-16T17:35:19.04
INFO  - 4f4fb700ef54 Extracting 32B / 32B
  Ok

2024-01-16T17:35:19.083
INFO  - 4f4fb700ef54 Pull complete
  Ok

2024-01-16T17:35:19.085
INFO  - fba604e70bfe Extracting 572B / 572B
  Ok

2024-01-16T17:35:19.094
INFO  - fba604e70bfe Extracting 572B / 572B
  Ok

2024-01-16T17:35:19.141
INFO  - fba604e70bfe Pull complete
  Ok

2024-01-16T17:35:19.173
INFO  -  Digest: sha256:b5ddcd52d425a8e354696c022f392fe45fca928f68d6289e6bb4a709c3a74668
  Ok

2024-01-16T17:35:19.174
INFO  -  Status: Downloaded newer image for redis:7
  Ok

2024-01-16T17:35:19.185
INFO  - Pull Image successful, Time taken: 5 Seconds
  Ok

2024-01-16T17:35:19.197
INFO  - Starting container for site
  Ok

2024-01-16T17:35:19.197
INFO  - docker run -d  --name api-celery_redis_0_306850dd -e WEBSITES_ENABLE_APP_SERVICE_STORAGE=false -e WEBSITE_SITE_NAME=api-celery -e WEBSITE_AUTH_ENABLED=False -e WEBSITE_ROLE_INSTANCE_ID=0 -e WEBSITE_HOSTNAME=api-celery.azurewebsites.net -e WEBSITE_INSTANCE_ID=7fad53901ff1c3f65572da614477223d2fcd732e602f4adf52edc818614e0589 -e HTTP_LOGGING_ENABLED=1 redis:7 
  Ok

2024-01-16T17:35:20.429
INFO  - Pulling image: fastapiuploadfiles.azurecr.io/uploadfiles:dashboard_app
  Ok

2024-01-16T17:35:20.641
INFO  - dashboard_app Pulling from uploadfiles
  Ok

2024-01-16T17:35:20.651
INFO  -  Digest: sha256:b57a692c3859e204572a47aedb4602e2a4f6f2c85a8cbdc0e11cb1fa97579196
  Ok

2024-01-16T17:35:20.652
INFO  -  Status: Downloaded newer image for fastapiuploadfiles.azurecr.io/uploadfiles:dashboard_app
  Ok

2024-01-16T17:35:20.667
INFO  - Pull Image successful, Time taken: 0 Seconds
  Ok

2024-01-16T17:35:21.101
INFO  - Starting container for site
  Ok

2024-01-16T17:35:21.101
INFO  - docker run -d  --name api-celery_dashboard_0_306850dd -e WEBSITES_ENABLE_APP_SERVICE_STORAGE=false -e WEBSITE_SITE_NAME=api-celery -e WEBSITE_AUTH_ENABLED=False -e WEBSITE_ROLE_INSTANCE_ID=0 -e WEBSITE_HOSTNAME=api-celery.azurewebsites.net -e WEBSITE_INSTANCE_ID=7fad53901ff1c3f65572da614477223d2fcd732e602f4adf52edc818614e0589 -e HTTP_LOGGING_ENABLED=1 fastapiuploadfiles.azurecr.io/uploadfiles:dashboard_app celery --broker=redis://redis:6379/0 flower --port=8080

Update 17.01.2024

I tagged the redis container with docker tag redis:7 fastapiuploadfiles.azurecr.io/uploadfiles:redis_app. So I was able to push all containers – including redis. When I start the containers with the yml file of Suresh Chikkam and try to open the link to the frontend of my app (web_app tag) I get the following log stream output:

Error occurred, type: error, text: Response Content-Length mismatch: too many bytes written (94517 of 66268)., stackTrace: at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.VerifyAndUpdateWrite(Int32 count)at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.WritePipeAsync(ReadOnlyMemory1 data, CancellationToken cancellationToken)at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpResponseStream.WriteAsync(ReadOnlyMemory1 source, CancellationToken cancellationToken)at Microsoft.AspNetCore.Http.StreamCopyOperationInternal.CopyToAsync(Stream source, Stream destination, Nullable`1 count, Int32 bufferSize, CancellationToken cancel)at Microsoft.AspNetCore.Internal.FileResultHelper.WriteFileAsync(HttpContext context, Stream fileStream, RangeItemHeaderValue range, Int64 rangeLength)at Microsoft.AspNetCore.Mvc.Infrastructure.FileResultExecutorBase.WriteFileAsync(HttpContext context, Stream fileStream, RangeItemHeaderValue range, Int64 rangeLength)at Microsoft.AspNetCore.Mvc.Infrastructure.FileStreamResultExecutor.ExecuteAsync(ActionContext context, FileStreamResult result)at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|30_0[TFilter,TFilterAsync](ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Rethrow(ResultExecutedContextSealed context)at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.ResultNext[TFilter,TFilterAsync](State& next, Scope& scope, Object& state, Boolean& isCompleted)at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|28_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|25_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Rethrow(ResourceExecutedContextSealed context)at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|20_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|17_0(ResourceInvoker invoker, Task task, IDisposable scope)at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|17_0(ResourceInvoker invoker, Task task, IDisposable scope)at Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext)at Kudu.Services.Web.Tracing.TraceMiddleware.Invoke(HttpContext context) in /tmp/KuduLite/Kudu.Services.Web/Tracing/TraceMiddleware.cs:line 95

After start up of the containers:

docker run -d –name api-celery_dashboard_0_4022f740 -e WEBSITES_ENABLE_APP_SERVICE_STORAGE=false -e WEBSITE_SITE_NAME=api-celery -e WEBSITE_AUTH_ENABLED=False -e WEBSITE_ROLE_INSTANCE_ID=0 -e WEBSITE_HOSTNAME=api-celery.azurewebsites.net -e WEBSITE_INSTANCE_ID=7fad53901ff1c3f65572da614477223d2fcd732e602f4adf52edc818614e0589 -e HTTP_LOGGING_ENABLED=1 fastapiuploadfiles.azurecr.io/uploadfiles:dashboard_app celery –broker=redis://redis:6379/0 flower –port=8080/home/LogFiles/2024_01_17_ln0xsdlwk000019_redis_docker.log (https://api-celery.scm.azurewebsites.net/api/vfs/LogFiles/2024_01_17_ln0xsdlwk000019_redis_docker.log)/home/LogFiles/2024_01_17_ln0xsdlwk000019_web_docker.log (https://api-celery.scm.azurewebsites.net/api/vfs/LogFiles/2024_01_17_ln0xsdlwk000019_web_docker.log)/home/LogFiles/2024_01_17_ln0xsdlwk000019_worker_docker.log (https://api-celery.scm.azurewebsites.net/api/vfs/LogFiles/2024_01_17_ln0xsdlwk000019_worker_docker.log)Ending Log Tail of existing logs —Starting Live Log Stream —

30.01.2024: It works now. See my answer below

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2

Answers


  1. Chosen as BEST ANSWER
    0

    It works now.

    (1) docker-compose.yml to build containers:

    version: '3.8'

services:

  web:
    build: 
      context: .
      dockerfile: Dockerfile
    image: # registry_path:tag (tag defines name in registry)  
        fastapiuploadfiles.azurecr.io/uploadfiles:web_app_2.4
    ports:
        # Host Port:Container Port
      - 80:8000
    command: uvicorn app.upload_file:app --host 0.0.0.0
    volumes:
      - type: bind
        source: /home/tw/wav_data_host
        target: /api_code/app/wav_data
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    depends_on:
      - redis

  
  worker:
    build:
      context: .
      dockerfile: Dockerfile
    image: fastapiuploadfiles.azurecr.io/uploadfiles:worker_app_2.4
    command: > 
             celery
             --app=celery_task_app.worker.celery_app worker
             --loglevel=info
             --logfile=logs/celery.log
    volumes:
      - type: bind
        source: /home/tw/wav_data_host
        target: /api_code/app/wav_data
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    depends_on:
      - web
      - redis

  
  redis:
    image: redis:7


  dashboard:
    build: 
      context: .
      dockerfile: Dockerfile
    image: fastapiuploadfiles.azurecr.io/uploadfiles:dashboard_app_2.4
    command: celery --broker=redis://redis:6379/0 flower --port=5555
    ports:
      - 8080:5555
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    depends_on:
      - web
      - redis
      - worker

    (2) Dockerfile:

    FROM python:3.9

WORKDIR /api_code

# set environment variables
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

# install dependencies
RUN pip install --upgrade pip

COPY ./requirements.txt /api_code/requirements.txt

# Install the package dependencies in the requirements file.
RUN pip install --no-cache-dir --upgrade -r /api_code/requirements.txt

RUN apt-get -y update && apt-get -y upgrade && apt-get install -y --no-install-recommends ffmpeg


# torch
torchaudio==0.13.0 --extra-index-url https://download.pytorch.org/whl/cpu
RUN pip3 install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cpu


# whisper X
RUN pip install git+https://github.com/m-bain/whisperx.git

COPY ./app /api_code/app

COPY ./logs /api_code/logs

COPY ./celery_task_app /api_code/celery_task_app

    (3) Push to Azure Container Registry:

    #!/bin/sh
    
set -e

cat azure_pwd | docker login registry_name.azurecr.io -u 
registry_name --password-stdin

cd dir_to_push

docker-compose build --pull

echo -e "ndocker ps:n"

docker ps

echo -e "ndocker images:n"

docker images

echo -e "nRetag redis image:n"

docker tag redis:7 
registry_name.azurecr.io/repository_name:redis_app_2.4

echo -e "ndocker images retagged:n"

docker images

echo -e "n Start push (except redis):n"

docker-compose push

echo -e "n Start push redis:n"

docker push registry_name.azurecr.io/repository_name:redis_app_2.4

    (4) Azure yaml file for multicontainer web app:

    version: '3.8'

services:

  web:
    image: # registry_path:tag (tag defines name in registry)  
        registry_name.azurecr.io/repository_name:web_app_2.4
    ports:
        # Host Port:Container Port
      - 80:8000
    command: uvicorn app.upload_file:app --host 0.0.0.0
    volumes:
      - type: bind
        source: ${WEBAPP_STORAGE_HOME}/site/wwwroot/wav_data
        target: /api_code/app/wav_data
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    depends_on:
      - redis

  
  worker:
    image: registry_name.azurecr.io/repository_name:worker_app_2.4
    command: > 
             celery
             --app=celery_task_app.worker.celery_app worker
             --loglevel=info
             --logfile=logs/celery.log
    volumes:
      - type: bind
        source: ${WEBAPP_STORAGE_HOME}/site/wwwroot/wav_data
        target: /api_code/app/wav_data
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    depends_on:
      - web
      - redis

  
  redis:
    image: registry_name.azurecr.io/repository_name:redis_app_2.4

  dashboard:
    image: registry_name.azurecr.io/repository_name:dashboard_app_2.4
    command: celery --broker=redis://redis:6379/0 flower --port=5555
    ports:
      - 443:5555
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    depends_on:
      - web
      - redis
      - worker

  2. 0

    502 – Web server received an invalid response while acting as a gateway or proxy server

    This usually means that the application deployed in Azure App Service is not working as expected.

    • Here @Zori has also provided some valuable insights into the issues, In the presence of build: in the Azure docker-compose.yml removed the build: section from this file since Azure expects pre-built images.

    Expose these ports instead of port 8080.

    docker-compose.yml:

    services:
  web:
    ports:
      - 80:8080
    • Push the Redis image to the Azure Container Registry (ACR) with a specific tag.
    docker tag docker.io/redis:7 fastapiuploadfiles.azurecr.io/redis:7
docker push fastapiuploadfiles.azurecr.io/redis:7

    docker-compose.yml

    version: '3.8'

services:

  web:
    image: fastapiuploadfiles.azurecr.io/uploadfiles:web_app
    ports:
      - 80:8080
    command: uvicorn app.upload_file:app --host 0.0.0.0
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    depends_on:
      - redis

  worker:
    image: fastapiuploadfiles.azurecr.io/uploadfiles:worker_app
    command: celery --app=celery_task_app.worker.celery_app worker --loglevel=info --logfile=logs/celery.log
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    depends_on:
      - web

  redis:
    image: fastapiuploadfiles.azurecr.io/redis:7

  dashboard:
    image: fastapiuploadfiles.azurecr.io/uploadfiles:dashboard_app
    command: celery --broker=redis://redis:6379/0 flower --port=8080
    ports:
      - 8080:8080
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    depends_on:
      - web
      - redis
    • You can check the images which had build successfully and pushed into the ACR.

    enter image description here

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