Change dev environment setup to use postgresql

- sqlite causes too many errors
- fix requirements file
- fixes for docker setup
- A lot of concurrency issues
- Bite the bullet, time to go!

docker/Dockerfile

@@ -101,7 +101,7 @@ RUN chown -R inventree:inventreegroup ${INVENTREE_HOME}/*
 USER inventree
 
 # Install InvenTree packages
-RUN pip3 install --no-cache-dir --disable-pip-version-check -r ${INVENTREE_HOME}/requirements.txt
+RUN pip3 install --user --no-cache-dir --disable-pip-version-check -r ${INVENTREE_HOME}/requirements.txt
 
 # Need to be running from within this directory
 WORKDIR ${INVENTREE_MNG_DIR}

docker/dev-config.env

@@ -2,14 +2,13 @@
 
 # Set DEBUG to False for a production environment!
 INVENTREE_DEBUG=True
-
-# Change verbosity level for debug output
 INVENTREE_DEBUG_LEVEL=INFO
 
-# Database linking options
-INVENTREE_DB_ENGINE=sqlite3
-INVENTREE_DB_NAME=/home/inventree/dev/inventree_db.sqlite3
-# INVENTREE_DB_HOST=hostaddress
-# INVENTREE_DB_PORT=5432
-# INVENTREE_DB_USERNAME=dbuser
-# INVENTREE_DB_PASSWEORD=dbpassword
+# Database configuration options
+# Note: The example setup is for a PostgreSQL database (change as required)
+INVENTREE_DB_ENGINE=postgresql
+INVENTREE_DB_NAME=inventree
+INVENTREE_DB_HOST=inventree-dev-db
+INVENTREE_DB_PORT=5432
+INVENTREE_DB_USER=pguser
+INVENTREE_DB_PASSWORD=pgpassword

docker/docker-compose.dev.yml

@@ -1,8 +1,10 @@
 version: "3.8"
 
 # Docker compose recipe for InvenTree development server
-# - Runs sqlite3 as the database backend
+# - Runs PostgreSQL as the database backend
 # - Uses built-in django webserver
+# - Runs the InvenTree background worker process
+# - Serves media and static content directly from Django webserver
 
 # IMPORANT NOTE:
 # The InvenTree docker image does not clone source code from git.
@@ -11,10 +13,32 @@ version: "3.8"
 # The django server will auto-detect any code changes and reload the server.
 
 services:
+
+    # Database service
+    # Use PostgreSQL as the database backend
+    # Note: This can be changed to a different backend if required
+    inventree-dev-db:
+        container_name: inventree-dev-db
+        image: postgres:13
+        ports:
+            - 5432/tcp
+        environment:
+          - PGDATA=/var/lib/postgresql/data/dev/pgdb
+          # The pguser and pgpassword values must be the same in the other containers
+          # Ensure that these are correctly configured in your dev-config.env file
+          - POSTGRES_USER=pguser
+          - POSTGRES_PASSWORD=pgpassword
+        volumes:
+          # Map 'data' volume such that postgres database is stored externally
+          - src:/var/lib/postgresql/data
+        restart: unless-stopped
+
     # InvenTree web server services
     # Uses gunicorn as the web server
     inventree-dev-server:
         container_name: inventree-dev-server
+        depends_on:
+          - inventree-dev-db
         build:
             context: .
             target: dev

docker/init.sh

@@ -27,7 +27,7 @@ fi
 if [[ -n "$INVENTREE_PY_ENV" ]]; then
     echo "Using Python virtual environment: ${INVENTREE_PY_ENV}"
     # Setup a virtual environment (within the "dev" directory)
-    python3 -m venv ${INVENTREE_PY_ENV}
+    python3 -m venv ${INVENTREE_PY_ENV} --system-site-packages
 
     # Activate the virtual environment
     source ${INVENTREE_PY_ENV}/bin/activate

docker/prod-config.env

@@ -6,7 +6,7 @@
 INVENTREE_DEBUG=False
 INVENTREE_LOG_LEVEL=WARNING
 
-# Database configuration
+# Database configuration options
 # Note: The example setup is for a PostgreSQL database (change as required)
 INVENTREE_DB_ENGINE=postgresql
 INVENTREE_DB_NAME=inventree

docker/requirements.txt

@@ -4,13 +4,9 @@
 setuptools>=57.4.0
 wheel>=0.37.0
 invoke>=1.4.0                   # Invoke build tool
-gunicorn>=20.1.0                # Gunicorn web server
 
 # Database links
 psycopg2>=2.9.1
 mysqlclient>=2.0.3
 pgcli>=3.1.0
 mariadb>=1.0.7
-
-# Cache
-django-redis>=5.0.0

requirements.txt

@@ -21,6 +21,7 @@ django-markdownify==0.8.0       # Markdown rendering
 django-markdownx==3.0.1         # Markdown form fields
 django-money==1.1               # Django app for currency management
 django-mptt==0.11.0             # Modified Preorder Tree Traversal
+django-redis>=5.0.0
 django-q==1.3.4                 # Background task scheduling
 django-sql-utils==0.5.0         # Advanced query annotation / aggregation
 django-stdimage==5.1.1          # Advanced ImageField management