diurnal-dbi-service

Tech stack:

1. Java 11 - OpenJDK11
2. Quarkus https://quarkus.io/
3. Heroku https://dashboard.heroku.com/
4. Postgres - for prod
5. CockroachDB - for local dev. CRDB is built on postgres. https://www.cockroachlabs.com/
6. Swagger - OpenAPI - non prod
7. OpenFeign
8. Gson
9. Protobuf
10. Lombok
11. Apache Commons Lang3
12. Assertj

Important notepoints:

• Database is using timestamptz to store all time in UTC by default. Whenever the java process will read it from DB, it will get the time converted into the JVM time.

Deployments - Server only (!app):

Serial	Version	Time	Artifact	Significant changes
4	1.4	2021-11-07 1900 IST	0.0.5-SNAPSHOT	Shifting to Quarkus, DB overhaul, App handling updates
3	1.3	2021-10-30 1000 IST	0.0.4-SNAPSHOT	Backup and upload to github, restricting cloud backup rows to 1 year from last date and overhauling configs
2	1.2	2021-10-28 2330 IST	0.0.3-SNAPSHOT	Using JPA completely and replacing the hand-written SQL logic
1	1.1	2021-10-24	0.0.2-SNAPSHOT	Giving 1 month free premium status to new sign ups
0	1.0	2021-06-08	0.0.1-SNAPSHOT	Genesis and deployed to Heroku-free tier

Backup option from postgres:-

psql <DATABASE_URL> \copy (select * from <table_name) to '<local_file.csv>' with CSV;

Backup restore into postgres:-

I had to write customized code to read csv and use the upload endpoint to bulk add.