Switch to sqlite (#22)

* Updated project to use sqlite

* Edited migrations directly because I fear no man

* Updated search functions and tests to work with sqlite

* Updated build tools to remove postgres

Author: kieraneglin

.env.sample

@@ -24,9 +24,6 @@ jobs:
       - name: Create and populate ENV file
         run: |
           echo MIX_ENV=test >> .env
-          echo POSTGRES_HOST=postgres >> .env
-          echo POSTGRES_USER=postgres >> .env
-          echo POSTGRES_PASSWORD=postgres >> .env
 
       - name: Pull prebuilt images
         run: docker compose pull

.github/workflows/lint_and_test.yml

@@ -41,3 +41,7 @@ npm-debug.log
 .DS_Store
 scratchpad.md
 /scratchpad/
+
+# Database files
+*.db
+*.db-*

.gitignore

@@ -3,7 +3,7 @@ FROM elixir:latest
 
 # Install debian packages
 RUN apt-get update -qq
-RUN apt-get install -y inotify-tools postgresql-client ffmpeg \
+RUN apt-get install -y inotify-tools ffmpeg \
   python3 python3-pip python3-setuptools python3-wheel python3-dev
 
 # Install nodejs

Dockerfile

@@ -29,6 +29,7 @@ config :pinchflat, PinchflatWeb.Endpoint,
   live_view: [signing_salt: "/t5878kO"]
 
 config :pinchflat, Oban,
+  engine: Oban.Engines.Lite,
   repo: Pinchflat.Repo,
   # Keep old jobs for 30 days for display in the UI
   plugins: [{Oban.Plugins.Pruner, max_age: 30 * 24 * 60 * 60}],

config/config.exs

@@ -6,13 +6,9 @@ config :pinchflat,
 
 # Configure your database
 config :pinchflat, Pinchflat.Repo,
-  username: System.get_env("POSTGRES_USER"),
-  password: System.get_env("POSTGRES_PASSWORD"),
-  hostname: System.get_env("POSTGRES_HOST"),
-  database: "pinchflat_dev",
-  stacktrace: true,
+  database: Path.expand("../priv/repo/pinchflat_dev.db", Path.dirname(__ENV__.file)),
   show_sensitive_data_on_connection_error: true,
-  pool_size: 10
+  pool_size: 5
 
 # For development, we disable any cache and enable
 # debugging and code reloading.

config/dev.exs

@@ -21,20 +21,16 @@ if System.get_env("PHX_SERVER") do
 end
 
 if config_env() == :prod do
-  database_url =
-    System.get_env("DATABASE_URL") ||
+  database_path =
+    System.get_env("DATABASE_PATH") ||
       raise """
-      environment variable DATABASE_URL is missing.
-      For example: ecto://USER:PASS@HOST/DATABASE
+      environment variable DATABASE_PATH is missing.
+      For example: /etc/pinchflat/pinchflat.db
       """
 
-  maybe_ipv6 = if System.get_env("ECTO_IPV6") in ~w(true 1), do: [:inet6], else: []
-
   config :pinchflat, Pinchflat.Repo,
-    # ssl: true,
-    url: database_url,
-    pool_size: String.to_integer(System.get_env("POOL_SIZE") || "10"),
-    socket_options: maybe_ipv6
+    database: database_path,
+    pool_size: String.to_integer(System.get_env("POOL_SIZE") || "5")
 
   # The secret key base is used to sign/encrypt cookies and other secrets.
   # A default value is used in config/dev.exs and config/test.exs but you

config/runtime.exs

@@ -14,12 +14,9 @@ config :pinchflat, Oban, testing: :manual
 # to provide built-in test partitioning in CI environment.
 # Run `mix help test` for more information.
 config :pinchflat, Pinchflat.Repo,
-  username: System.get_env("POSTGRES_USER"),
-  password: System.get_env("POSTGRES_PASSWORD"),
-  hostname: System.get_env("POSTGRES_HOST"),
-  database: "pinchflat_test#{System.get_env("MIX_TEST_PARTITION")}",
-  pool: Ecto.Adapters.SQL.Sandbox,
-  pool_size: 10
+  database: Path.expand("../priv/repo/pinchflat_test.db", Path.dirname(__ENV__.file)),
+  pool_size: 5,
+  pool: Ecto.Adapters.SQL.Sandbox
 
 # We don't run a server during test. If one is required,
 # you can enable the server option below.

config/test.exs

@@ -1,16 +1,9 @@
 version: '3'
 services:
-  postgres:
-    image: 'postgres:16-alpine'
-    environment:
-      POSTGRES_USER: postgres
-      POSTGRES_PASSWORD: postgres
-
   phx:
     build: .
     volumes:
       - '.:/app'
     ports:
       - '4008:4008'
     command: tail -F /dev/null
-    env_file: .env

docker-compose.ci.yml

@@ -1,22 +1,12 @@
 version: '3'
 services:
-  postgres:
-    image: 'postgres:16-alpine'
-    environment:
-      POSTGRES_USER: postgres
-      POSTGRES_PASSWORD: postgres
-
   phx:
     build: .
     volumes:
       - '.:/app'
     ports:
       - '4008:4008'
-    depends_on:
-      - postgres
     command:
       - ./docker-run.sh
     stdin_open: true
     tty: true
-    env_file:
-      - .env