feat: add prom_ex to expose system metrics

.drone.yml

@@ -6,21 +6,13 @@ name: test
 trigger:
   event:
     include:
+      - push
       - pull_request
 
 steps:
-  - name: database healthcheck
-    image: 'postgres:14.2-alpine'
-    environment:
-      PGUSER: postgres
-      PGPASSWORD: postgres
-      PGHOST: db
-    commands:
-      - while ! pg_isready; do sleep 1; done
   - name: test
-    image: 'elixir:1.13.4'
-    environment:
-      MIX_ENV: test
+    image: 'elixir:1.21.1'
+    environemnt:
       POSTGRES_HOST: db
       POSTGRES_USER: postgres
       POSTGRES_PASS: postgres
@@ -30,7 +22,7 @@ steps:
 
 services:
   - name: db
-    image: 'postgres:14.2-alpine'
+    image: 'postgres:13.3-alpine'
     environment:
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: postgres

.tool-versions

@@ -1,2 +1,2 @@
-erlang 24.3.3
-elixir 1.13.4-otp-24
+erlang 24.0.2
+elixir 1.12.1-otp-24

config/config.exs

@@ -5,7 +5,7 @@
 # is restricted to this project.
 
 # General application configuration
-import Config
+use Mix.Config
 
 config :wabanex,
   ecto_repos: [Wabanex.Repo]
@@ -39,4 +39,4 @@ config :phoenix, :json_library, Jason
 
 # Import environment specific config. This must remain at the bottom
 # of this file so it overrides the configuration defined above.
-import_config "#{config_env()}.exs"
+import_config "#{Mix.env()}.exs"

config/dev.exs

@@ -1,8 +1,11 @@
-import Config
+use Mix.Config
 
 # Configure your database
 config :wabanex, Wabanex.Repo,
+  username: System.get_env("POSTGRES_USER") || "postgres",
+  password: System.get_env("POSTGRES_PASS") || "postgres",
   database: "wabanex_dev",
+  hostname: System.get_env("POSTGRES_HOST") || "localhost",
   show_sensitive_data_on_connection_error: true,
   pool_size: 10
 

config/prod.exs

@@ -1,4 +1,4 @@
-import Config
+use Mix.Config
 
 # For production, don't forget to configure the url host
 # to something meaningful, Phoenix uses this information

config/runtime.exs

@@ -1,6 +0,0 @@
-import Config
-
-config :wabanex, Wabanex.Repo,
-  username: System.get_env("POSTGRES_USER") || "postgres",
-  password: System.get_env("POSTGRES_PASS") || "postgres",
-  hostname: System.get_env("POSTGRES_HOST") || "localhost"

config/test.exs

@@ -1,4 +1,4 @@
-import Config
+use Mix.Config
 
 # Configure your database
 #
@@ -6,7 +6,10 @@ import Config
 # to provide built-in test partitioning in CI environment.
 # Run `mix help test` for more information.
 config :wabanex, Wabanex.Repo,
+  username: System.get_env("POSTGRES_USER") || "postgres",
+  password: System.get_env("POSTGRES_PASS") || "postgres",
   database: "wabanex_test#{System.get_env("MIX_TEST_PARTITION")}",
+  hostname: System.get_env("POSTGRES_HOST") || "localhost",
   pool: Ecto.Adapters.SQL.Sandbox
 
 # We don't run a server during test. If one is required,

docker-compose.yml

@@ -2,7 +2,7 @@
 version: '3.7'
 services:
   db:
-    image: 'postgres:14.2-alpine'
+    image: 'postgres:13.3-alpine'
     hostname: &db_host db
     environment:
       POSTGRES_USER: &db_user postgres
@@ -12,40 +12,5 @@ services:
       - './priv/docker/postgres/init.sql:/docker-entrypoint-initdb.d/init.sql'
       - 'db_data:/var/lib/postgresql/data'
     restart: unless-stopped
-  app:
-    image: 'elixir:1.13.4'
-    hostname: app
-    depends_on:
-      - db
-    init: true
-    environment:
-      POSTGRES_HOST: *db_host
-      POSTGRES_USER: *db_user
-      POSTGRES_PASS: *db_pass
-      POSTGRES_NAME: wabanex_dev
-    volumes:
-      - '.:/opt/app'
-      - 'app_build:/opt/app/_build'
-      - 'app_deps:/opt/app/deps'
-    working_dir: /opt/app
-    entrypoint: sleep
-    command: infinity
-  pgcli:
-    image: 'joaodubas/pgcli:latest'
-    hostname: development
-    depends_on:
-      - db
-    environment:
-      PGUSER: *db_user
-      PGPASSWORD: *db_pass
-      PGHOST: *db_host
-      PGDATABASE: wabanex_dev
-    volumes:
-      - './priv/docker/pgcli:/root/.config/pgcli'
-    restart: unless-stopped
-    entrypoint: sleep
-    command: 3650d
 volumes:
   db_data: {}
-  app_build: {}
-  app_deps: {}