From be1007eaf3c69a3752219c5c853506d045a50e1d Mon Sep 17 00:00:00 2001
From: Carlos Chinchilla <calufa@gmail.com>
Date: Thu, 10 Feb 2022 14:27:31 -0600
Subject: [PATCH] print db schema

---
 README.md             |  6 ++++++
 db-schema.sh          | 11 +++++++++++
 system/db-schema.yaml | 30 ++++++++++++++++++++++++++++++
 3 files changed, 47 insertions(+)
 create mode 100755 db-schema.sh
 create mode 100644 system/db-schema.yaml

diff --git a/README.md b/README.md
index 70311120..e54171b8 100644
--- a/README.md
+++ b/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.
diff --git a/db-schema.sh b/db-schema.sh
new file mode 100755
index 00000000..02db5890
--- /dev/null
+++ b/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
diff --git a/system/db-schema.yaml b/system/db-schema.yaml
new file mode 100644
index 00000000..af9bfdf3
--- /dev/null
+++ b/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