diff --git a/.devcontainer/docker-compose.yaml b/.devcontainer/docker-compose.yaml
index 351c94ca..c3aa84e7 100644
--- a/.devcontainer/docker-compose.yaml
+++ b/.devcontainer/docker-compose.yaml
@@ -24,11 +24,11 @@ services:
       - postgres-data:/var/lib/postgresql/data
     environment:
       POSTGRES_DB: postgres
-      POSTGRES_USER: admin
-      POSTGRES_PASSWORD: LocalPasswordOnly
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
 
     # Add "forwardPorts": ["5432"] to **devcontainer.json** to forward PostgreSQL locally.
     # (Adding the "ports" property to this file will not forward from a Codespace.)
 
 volumes:
-  postgres-data:
\ No newline at end of file
+  postgres-data:
diff --git a/.env.sample b/.env.sample
index 3b2afb1a..cbe7510e 100644
--- a/.env.sample
+++ b/.env.sample
@@ -1,7 +1,7 @@
 # Use these values to connect to the local database from within the devcontainer
 POSTGRES_HOST=localhost
-POSTGRES_USERNAME=admin
-POSTGRES_PASSWORD=LocalPasswordOnly
+POSTGRES_USERNAME=postgres
+POSTGRES_PASSWORD=postgres
 POSTGRES_DATABASE=postgres
 POSTGRES_SSL=disable
 
diff --git a/.github/workflows/app-tests.yaml b/.github/workflows/app-tests.yaml
index 4775aff1..8995d9f8 100644
--- a/.github/workflows/app-tests.yaml
+++ b/.github/workflows/app-tests.yaml
@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-20.04"]
-        python_version: ["3.9", "3.10", "3.11", "3.12"]
+        python_version: ["3.10", "3.11", "3.12"]
     services:
       postgres:
         image: pgvector/pgvector:pg16
@@ -38,6 +38,7 @@ jobs:
           run: |
             python -m pip install -e src
         - name: Setup local database with seed data
+          run: |
             cp .env.sample .env
             python ./src/fastapi_app/setup_postgres_database.py
             python ./src/fastapi_app/setup_postgres_seeddata.py
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 046fed0b..8fb6cd58 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -7,8 +7,8 @@
             "driver": "PostgreSQL",
             "name": "local",
             "database": "postgres",
-            "username": "admin",
-            "password": "LocalPasswordOnly"
+            "username": "postgres",
+            "password": "postgres"
         },
         {
             "name": "Azure database",