Remove all inactive dockers : docker container prune -f
Copy files in inactive docker to host server: docker container cp 5f9c2f1893c4:/app/migrator/ ./
VS.NET docker help
In CI pipeline, once the code were uploaded, the CI tool need to
pull the latest code and compile, then run the unit test
Use docker to generate docker image and save it locally
FROM microsoft/dotnet:2.2-aspnetcore-runtime WORKDIR /app COPY ./src/publish/ . ENV ASPNETCORE_URLS http://*:5001 ENV ASPNETCORE_ENVIRONMENT docker EXPOSE 5001 ENTRYPOINT dotnet Nanoservice.dll
Create Image : docker build . -t [tag]
Create Container : docker run -p 80:5001 --name nano5001 nanoservice2 #80 is the port id expose to internet, 5001 is the port host by docker
Stop the container : docker stop [containerId]
Get the log of container : docker logs [containerId]
Install docker compose
linkage
Docker compose to spin up all sub components
[root@KubernateBox2 compose]# docker-compose -f Service.yml up -d
[root@KubernateBox2 compose]# docker-compose -f Service.yml down
version: "3.5"services:consul:image: consulcontainer_name: consulports:- 8500:8500networks:- dshop# network_mode: hostvolumes:- consul:/consul/datafabio:image: fabiolb/fabiocontainer_name: fabioenvironment:- FABIO_REGISTRY_CONSUL_ADDR=consul:8500networks:- dshop# network_mode: hostports:- 9998:9998- 9999:9999rabbitmq:image: rabbitmq:3-managementcontainer_name: rabbitmqports:- 5672:5672- 15672:15672networks:- dshop# network_mode: hostvolumes: - rabbitmq:/var/lib/rabbitmqjaeger:image: jaegertracing/all-in-onecontainer_name: jaegerports:- 5775:5775/udp- 5778:5778- 6831:6831/udp- 6832:6832/udp- 9411:9411- 14268:14268- 16686:16686networks:- dshop# network_mode: hostseq:image: datalust/seq container_name: seqenvironment:- ACCEPT_EULA=Yports:- 5341:80networks:- dshop# network_mode: hostvolumes: - seq:/datanetworks:dshop:name: dshop-networkexternal: truevolumes:consul:driver: localrabbitmq:driver: localseq:driver: local
Create docker network to allows instance talk to each other
docker network create dshop-network
Spin up Product service
[root@KubernateBox2 ProductService]# docker run -p 5000:5000 --network dshop-network --name productservice productservice
[08:17:03 INF] Unable to connect to broker
Application startup exception: Autofac.Core.DependencyResolutionException: An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = IBusClient (DelegateActivator), Services = [RawRabbit.IBusClient], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = None, Ownership = OwnedByLifetimeScope ---> None of the specified endpoints were reachable (See inner exception for details.) ---> RabbitMQ.Client.Exceptions.BrokerUnreachableException: None of the specified endpoints were reachable ---> RabbitMQ.Client.Exceptions.ConnectFailureException: Connection failed ---> System.Net.Internals.SocketExceptionFactory+ExtendedSocketException: No such device or address
Reason:hostname for rabbitmq at compose file is at upper case where it should be in lower case that match with rabbitmq container declaration
Inspect the docker network
[root@KubernateBox2 ~]# docker network inspect dshop-network [{"Name": "dshop-network","Id": "760508b299392b2d5e1f4a394b193d8726e2709229cf3634fb12232bf4c518e8","Created": "2019-04-16T06:42:26.476264011Z","Scope": "local","Driver": "bridge","EnableIPv6": false,"IPAM": {"Driver": "default","Options": {},"Config": [{"Subnet": "172.18.0.0/16","Gateway": "172.18.0.1"}]},"Internal": false,"Attachable": false,"Containers": {"316598dc7379d4292865e75d1ddaab33325e75f70df88b1f104c446594617113": {"Name": "jaeger","EndpointID": "2f0dff994cf6fc6b8e5551956b7fd61c632d585e708af48cf4fecf6d7001688c","MacAddress": "02:42:ac:12:00:06","IPv4Address": "172.18.0.6/16","IPv6Address": ""},"3476a983803cde2ff02d66b7ddd95533f341c19698d1660d7bce5fb28bf3642c": {"Name": "consul","EndpointID": "68b9c84c3fc2cf4e0e36f630849e594de2b2dfb71dbfd9b972d408c6baac4bab","MacAddress": "02:42:ac:12:00:03","IPv4Address": "172.18.0.3/16","IPv6Address": ""},"3576047a0f2a4510b01bb09e43c7a101ad61fa449c7bc5301f64b7eeec26b067": {"Name": "rabbitmq","EndpointID": "d377b450ca2f066f0ff6f0913163856b57f802ad9749f71222c33b659ec2fc73","MacAddress": "02:42:ac:12:00:02","IPv4Address": "172.18.0.2/16","IPv6Address": ""},"4fb8adbcb0a1d268d662806719bb8a793da5450052869f51e18c34a185b3090b": {"Name": "seq","EndpointID": "0e82aa916519e526bddb60a6b6bbc656f8ed6889b3f032e1b7f2dd9b6e498691","MacAddress": "02:42:ac:12:00:05","IPv4Address": "172.18.0.5/16","IPv6Address": ""},"c65745fa6d9527758d18bbafe0df133631cc671382fb3b3d56e0f3f5538b7a71": {"Name": "productservice5000","EndpointID": "fec71dd2ac5ddd7df0b2d96c25b004ffe6ff7ab4e962e83b6cfae78cda022792","MacAddress": "02:42:ac:12:00:07","IPv4Address": "172.18.0.7/16","IPv6Address": ""},"c7fab7d3c406421925fca779f029d2758335b5744eb61d679518a657c7fa5226": {"Name": "fabio","EndpointID": "98a0049b0598516ab0845cae0c793e011ccac6041819d7e697f856ab4e3344cb","MacAddress": "02:42:ac:12:00:04","IPv4Address": "172.18.0.4/16","IPv6Address": ""}},"Options": {},"Labels": {}} ]
Consul did not find the product srvice instance, attempt to get into docker container to change the docker.config.json without recompile the docker image
[root@KubernateBox2 ProductService]# docker exec -it productservice5000 /bin/bash
root@c65745fa6d95:/APP# nano appsettings.docker.json
After modificaiton, spin up the dll without leaving the docker container
root@c65745fa6d95:/APP# dotnet ProductService.dll
User docker logs [ConstainerId] to check logs
VS.net docker help
Unable to find image 'hello-world:latest' locally
C:\Program Files\Docker\Docker\Resources\bin\docker.exe: Error response from daemon: Get https://registry-1.docker.io/v2/: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers).
See 'C:\Program Files\Docker\Docker\Resources\bin\docker.exe run --help'.Solution
Right Klick Docker Icon and go to Docker Settings then Network Tab Change DNS from Automatic to Fixed and Check your Proxy Settings.
