Outline of a simple HTTP service in Go.
This project will be using the gin framework for the bones of a REST API. The purpose is to allow this to be used as a template such that the groundwork is layed out when creating a new service.
Not much for now, but might become more involved as we go along.
- Install dependencies:
go get -u ./... - Run the service:
docker-compose up --build
This service is setup to use <env_name>.env files to load its configuration (from both env_file in docker
compose & directly). These files can be passed into docker, depending on which environment you are deploying to.
The environment variable SERVICES_PROFILE should be set to docker (e.g. SERVICES_PROFILE=docker) if the service is
running within a container. The reason for this is because this tells the service to grab the environment variables as
its configuration. This would allow someone to change the config by injecting new values for these variables, which is sometimes
desired over a redeploy with the changed .env file.
In a local instance we could set SERVICES_PROFILE=local and it will read the local.env file for the configuration.
Note: this configuration is somewhat opinionated, but can be easily changed.
The docker-compose file defines a database this service can use for local development. When we need to create a
migration, we can do this using the golang-migrate CLI tool. An example from their documentation:
migrate create -ext sql -dir db/migrations -seq create_article_table would create the up/down migration files for the
article table and adhere to the naming convention of the files. To run the migrations (up/down) can be done with:
migrate -source file://db/migrations -database postgres://gouser@localhost:5432/example?sslmode=disable up.
- o11y (i.e. request tracing / monitoring)
- Deployment (likely AWS fargate)
- GitHub actions for linting, testing, deploying
- Authentication
- Asynchronous tasks management
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