Set up basic CI

.drone.yml

@@ -10,9 +10,9 @@ services:
       POSTGRES_PASSWORD: postgres
 
 steps:
-  - name: restore_cache
+  - name: restore-cache-with-filesystem
     # the `plugins` user seems to be owned by the drone organization
-    image: docker.io/plugins/cache:1.9
+    image: docker.io/library/plugins/cache:1.9
     pull: true
     settings:
       backend: "filesystem"
@@ -28,8 +28,6 @@ steps:
 
   - name: check
     image: docker.io/library/elixir:1.18.3-otp-27
-    depends_on:
-      - restore_cache
     commands:
       # Install hex package manager
       - mix local.hex --force
@@ -48,7 +46,7 @@ steps:
       # Provide hints for improving code quality
       - mix credo
 
-  - name: wait_for_postgres
+  - name: wait for postgres
     image: docker.io/library/postgres:17.2
     commands:
       # Wait for postgres to become available
@@ -66,12 +64,11 @@ steps:
 
   - name: test
     image: docker.io/library/elixir:1.18.3-otp-27
-    depends_on:
-      - restore_cache
-      # - wait_for_postgres
     environment:
       MIX_ENV: test
       TEST_POSTGRES_HOST: postgres
+    # depends_on:
+    #   - wait for postgres
     commands:
       # Install hex package manager
       - mix local.hex --force