Print DB schema

README.md

@@ -50,6 +50,12 @@ For tests written in `go`, you can add the name of the test that you want to run
 ./test.sh scribble TestCreateUserReturnsSuccess
 ```
 
+### Printing the DB schema
+
+For convenience, we include a script that prints the DB schema.
+
+To print the DB schema, run `./db-schema.sh` in your terminal. Once executed, you should see the table schemas printed on your screen.
+
 ### Testing inside Kubernetes
 
 Make sure you have KIND installed.

db-schema.sh

@@ -0,0 +1,11 @@
+FILE_PATH="system/db-schema.yaml"
+
+function cleanup {
+	docker-compose -f ${FILE_PATH} down --remove-orphans
+}
+
+trap cleanup EXIT
+cleanup
+
+docker-compose -f ${FILE_PATH} build main
+docker-compose -f ${FILE_PATH} run main

system/db-schema.yaml

@@ -0,0 +1,30 @@
+version: '3'
+
+services:
+  main:
+    image: cockroachdb/cockroach:v20.1.4
+    depends_on:
+      - cockroachdb
+    entrypoint: |
+      sh -c '
+        /tools/wait-for-it.sh cockroachdb:26257 -t 60
+        cat /migrations/* > /tmp/merged-latest.sql
+        cat /tmp/merged-latest.sql | ./cockroach sql --insecure --host cockroachdb
+        ./cockroach dump chatroach --insecure --host cockroachdb --dump-mode=schema
+      '
+    volumes:
+      - ../devops:/tools
+      - ../devops/sql:/migrations
+    networks:
+      - fly
+  cockroachdb:
+    image: cockroachdb/cockroach:v20.1.4
+    command: start --insecure
+    ports:
+      - 26257:26257
+    networks:
+      - fly
+
+networks:
+  fly:
+    driver: bridge