The .NET languages have always been top notch in design, with a wide ranging standard library and support for all your enterprise needs. But for those of us with experience in the world outside Windows, the operational side of things was unbelievably painful. Now, with .NET Core that's starting to change. Here we'll work through the process of taking a .NET library and building a CI pipeline from reproducible container based builds through to minimal deployment artifacts.

1. Docker and .NET - BFF
Michael Newton
ROME - APRIL 13/14 2018

2. Who is this guy?
https://www.google.co.uk/search?q=mavnn

3. Docker &
.NET Core
Best friends forever

5. C# F# VB.net
Common Intermediate
Language
Windows

6. C# F# VB.net
Common Intermediate
Language
Linux Windows ARM

8. A container image is a
lightweight, stand-
alone,executable package
of a piece of software that
includes everything
needed to run it: code,
runtime, system tools,
system libraries,
settings.
https://www.docker.com/what-container

9. A container image is a
lightweight, stand-
alone,executable package
of a piece of software that
includes everything
needed to run it: code,
runtime, system tools,
system libraries,
settings.
https://www.docker.com/what-container

10. docker run
postgres:10-alpine
-p 5432

11. docker run
postgres:10-alpine
-p 5432

12. docker run
postgres:10-alpine
-p 5432

13. docker run
postgres:10-alpine
-p 5432

14. gōu 钩 shù 竖
nà 捺
撇 piě
diǎn 点héng 横
提 tí
wān 弯

15. gōu 钩 shù 竖
nà 捺
撇 piě
diǎn 点héng 横
提 tí
wān 弯
version: "3"
services:
db:
image: postgres:10-alpine
ports:
- 5432:5432
environment:
POSTGRES_PASSWORD: mypassword
adminer:
image: adminer
ports:
- 8080:8080

16. gōu 钩 shù 竖
nà 捺
撇 piě
diǎn 点héng 横
提 tí
wān 弯
version: "3"
services:
db:
image: postgres:10-alpine
ports:
- 5432:5432
environment:
POSTGRES_PASSWORD: mypassword
adminer:
image: adminer
ports:
- 8080:8080

17. FROM microsoft/aspnetcore:2.0
WORKDIR /app
COPY /MyApp/out .
EXPOSE 5000
ENTRYPOINT dotnet /app/MyApp.dll

18. docker build
-t myreg.co.uk/myapp:1.0
workingDir
docker push
myreg.co.uk/myapp:1.0

19. FROM microsoft/aspnetcore-build:2.0 AS BUILD
WORKDIR /build
COPY . .
RUN dotnet restore
RUN dotnet publish ./MyApp.fsproj
-o out -c Release --no-restore
FROM microsoft/aspnetcore:2.0
WORKDIR /app
COPY --from=BUILD /build/out .
EXPOSE 5000
ENTRYPOINT dotnet /app/MyApp.dll

20. FROM microsoft/aspnetcore-build:2.0 AS BUILD
WORKDIR /build
COPY . .
RUN dotnet restore
RUN dotnet run -p ./MyApp.Tests.fsproj
RUN dotnet publish ./MyApp.fsproj
-o out -c Release --no-restore
...

21. ...
FROM microsoft/aspnetcore:2.0
WORKDIR /app
RUN apt-get update
RUN apt-get -y build-deps
RUN wget
https://example.com/downloads/phantomjs.tar.bz2
RUN tar xvjf phantomjs.tar.bz2
RUN cp phantomjs/bin/phantomjs
/usr/bin/phantomjs
COPY --from=BUILD /build/out .
ENTRYPOINT dotnet /app/MyApp.dll

22. Questions?
http://mavnn.co.uk
https://blog.mavnn.co.uk/cloud-native-net/