A simple REST API that manages invoices.
This is the code for Chapter 2 of Securing DevOps. It only contains the code and scripts relevant to the basic setup of the invoicer application and infrastructure.
The master branch is kept at https://securing-devops.com/invoicer but if you are interested in chapter-specific versions of the invoicer.
To try out the code in this repository, first create a fork in your own github
account. Now before you do anything, edit the file in .circleci/config.yml and
replace the working_directory parameter with your own namespace.
For example:
working_directory: /go/src/github.com/Securing-DevOps/invoicer-chapter2would become:
working_directory: /go/src/github.com/jvehent/invoicer-chapter2Then, sign up for circleci and build the project.The build will initially fail because it lacks the Docker credentials to push the invoicer's image to dockerhub.
Head over to hub.docker.com, create an account, then create a repository to store the docker containers into, as explained in chapter 2.
Head back to CircleCi and in the "Project Setting", add the following "Environment Variables" with the appropriate values.
- DOCKER_USER
- DOCKER_PASS
These variable will allow CircleCI to upload the docker container of the invoicer into your own account. Once added, trigger a rebuild of the CircleCI job and it should succeed and upload the container without issue.
You can then pull and run the container from your repository as follows:
$ docker run -it <MyGitHubUser>/invoicerThe script create_ebs_env.sh creates a complete AWS infrastructure ready to
host the invoicer. The script first creates a database, then an elastic
beanstalk environment, and finally deploys the docker container of the
invoicer. All you need to get started is creating an AWS account, then
create a local profile (see chapter 2 for details) and run the following:
$ export AWS_PROFILE=cloudservices-aws-dev
$ export AWS_REGION=eu-west-1
$ ./create_ebs_env.shThe script will outputs resources name and credentials for the new environment.
Creating EBS application ulfr-invoicer-201709231530
default vpc is vpc-c02b81a5
DB security group is sg-fc20478f
RDS Postgres database is being created. username=invoicer; password='i0l2jSQ5WkK_441c8dXwlYods9'
..................dbhost=ulfr-invoicer-201709231530.czvvrkdqhklf.us-east-1.rds.amazonaws.com
ElasticBeanTalk application created
API environment e-qp2pyjhhma is being created
.....
API security group sg-732d4a00 authorized to connect to database security group sg-fc20478f
make_bucket: ulfr-invoicer-201709231530
upload: ./app-version.json to s3://ulfr-invoicer-201709231530/app-version.json
waiting for environment....................
Environment is being deployed. Public endpoint is http://ulfr-invoicer-201709231530-invoicer-api.egmh2pupxy.us-east-1.elasticbeanstalk.com
The script create_ebs_env.sh creates a complete AWS infrastructure ready to
host the invoicer. The script first creates a database, then an elastic
beanstalk environment, and finally deploys the docker container of
invoicer-chapter2. All you need to get started is creating an AWS account, then
create a local profile (see chapter 2 for details) and run the following:
$ export AWS_PROFILE=cloudservices-aws-dev
$ export AWS_REGION=eu-west-1
$ ./create_ebs_env.shThe script will outputs resources name and credentials for the new environment.
Creating EBS application ulfr-invoicer-201709231530
default vpc is vpc-c02b81a5
DB security group is sg-fc20478f
RDS Postgres database is being created. username=invoicer; password='i0l2jSQ5WkK_441c8dXwlYods9'
..................dbhost=ulfr-invoicer-201709231530.czvvrkdqhklf.us-east-1.rds.amazonaws.com
ElasticBeanTalk application created
API environment e-qp2pyjhhma is being created
.....
API security group sg-732d4a00 authorized to connect to database security group sg-fc20478f
make_bucket: ulfr-invoicer-201709231530
upload: ./app-version.json to s3://ulfr-invoicer-201709231530/app-version.json
waiting for environment....................
Environment is being deployed. Public endpoint is http://ulfr-invoicer-201709231530-invoicer-api.egmh2pupxy.us-east-1.elasticbeanstalk.com
Build a statically linked invoicer binary. Requires Go 1.6.
$ mkdir bin
$ go build --ldflags '-extldflags "-static"' -o bin/invoicer .Then build the container.
$ docker build -t securingdevops/invoicer .The invoicer will automatically create a local sqlite database by default, but if you want to run with postgres, follow these instructions.
Create a postgres database named invoicer and grant user invoicer full
access to it.
CREATE DATABASE invoicer;
CREATE ROLE invoicer;
ALTER ROLE invoicer WITH NOSUPERUSER INHERIT NOCREATEROLE NOCREATEDB LOGIN PASSWORD 'invoicer';
ALTER DATABASE invoicer OWNER TO invoicer;When running PG and Docker on the same box, configure pg_hba to allow the
local docker network to connect.
...
# trust local docker hosts
host all all 172.17.0.0/16 trust$ docker run -it \
-e INVOICER_USE_POSTGRES="yes" \
-e INVOICER_POSTGRES_USER="invoicer" \
-e INVOICER_POSTGRES_PASSWORD="invoicer" \
-e INVOICER_POSTGRES_HOST="172.17.0.1" \
-e INVOICER_POSTGRES_DB="invoicer" \
-e INVOICER_POSTGRES_SSLMODE="disable" \
securingdevops/invoicer-chapter2Create an invoice
$ curl -X POST \
--data '{"is_paid": false, "amount": 1664, "due_date": "2016-05-07T23:00:00Z", "charges": [ { "type":"blood work", "amount": 1664, "description": "blood work" } ] }' \
http://172.17.0.2:8080/invoiceRetrieve an invoice
$ curl http://172.17.0.2:8080/invoice/1
{"ID":1,"CreatedAt":"2016-05-21T15:33:21.855874Z","UpdatedAt":"2016-05-21T15:33:21.855874Z","DeletedAt":null,"is_paid":false,"amount":1664,"payment_date":"0001-01-01T00:00:00Z","due_date":"2016-05-07T23:00:00Z","charges":[{"ID":1,"CreatedAt":"2016-05-21T15:33:21.8637Z","UpdatedAt":"2016-05-21T15:33:21.8637Z","DeletedAt":null,"invoice_id":1,"type":"blood
work","amount":1664,"description":"blood work"}]}
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