An introduction to Docker followed by a guided workshop running a Node.js app with a SQL Server database in Linux containers.

1. Docker 101 & Workshop
#LinuxingInLondon @EltonStoneman

2. mysqld
java
nginx

3. > docker container run
node
NPM packages
Web App
Debian
NodeJS

4. > demo 1

5. > docker image build
NPM packages
Web App
Debian
NodeJS

6. FROM node:current-slim
WORKDIR /usr/src/app
COPY package.json .
RUN npm install
EXPOSE 8080
CMD [ "npm", "start" ]
COPY . .

7. FROM mcr.microsoft.com/mssql/server:2017-latest
ENV ACCEPT_EULA=Y
MSSQL_SA_PASSWORD=D0cker2*2*
WORKDIR /init
COPY init-db.* ./
RUN chmod +x ./init-db.sh
RUN /opt/mssql/bin/sqlservr & ./init-db.sh

8. hub.docker.com
> docker image push

9. Container: running application
Image: packaged application
Dockerfile: deployment script
Registry: image store

10. > workshop
https://dockr.ly/intro-workshop