revert the env without prefix ALPHATRION_

.env.example

@@ -1,7 +1,7 @@
 # We use PG by default as the metadata database.
-ALPHATRION_METADATA_DB_URL=postgresql+psycopg2://alphatrion:alphatr1on@localhost:5432/alphatrion
+METADATA_DB_URL=postgresql+psycopg2://alphatrion:alphatr1on@localhost:5432/alphatrion
 LOG_LEVEL=INFO
-# Default: true, ALPHATRION_ARTIFACT_REGISTRY_URL should not be empty.
-ALPHATRION_ENABLE_ARTIFACT_STORAGE=true
-ALPHATRION_ARTIFACT_REGISTRY_URL=http://localhost:5000/
-ALPHATRION_ENABLE_TRACING=true
+# Default: true, ARTIFACT_REGISTRY_URL should not be empty.
+ENABLE_ARTIFACT_STORAGE=true
+ARTIFACT_REGISTRY_URL=http://localhost:5000/
+ENABLE_TRACING=true

.env.integration-test

@@ -1,3 +1,3 @@
-ALPHATRION_METADATA_DB_URL=postgresql+psycopg2://alphatrion:alphatr1on@localhost:5432/alphatrion
-ALPHATRION_ARTIFACT_REGISTRY_URL=localhost:5001
+METADATA_DB_URL=postgresql+psycopg2://alphatrion:alphatr1on@localhost:5432/alphatrion
+ARTIFACT_REGISTRY_URL=localhost:5001
 LOG_LEVEL=INFO

.env.test

@@ -1,3 +1,3 @@
-ALPHATRION_METADATA_DB_URL=sqlite:///:memory:
-ALPHATRION_ARTIFACT_REGISTRY_URL=localhost:5000
+METADATA_DB_URL=sqlite:///:memory:
+ARTIFACT_REGISTRY_URL=localhost:5000
 LOG_LEVEL=INFO

alphatrion/consts.py

@@ -1,4 +1,4 @@
-METADATA_DB_URL = "ALPHATRION_METADATA_DB_URL"
-ARTIFACT_REGISTRY_URL = "ALPHATRION_ARTIFACT_REGISTRY_URL"
-ENABLE_ARTIFACT_STORAGE = "ALPHATRION_ENABLE_ARTIFACT_STORAGE"
-ENABLE_TRACING = "ALPHATRION_ENABLE_TRACING"
+METADATA_DB_URL = "METADATA_DB_URL"
+ARTIFACT_REGISTRY_URL = "ARTIFACT_REGISTRY_URL"
+ENABLE_ARTIFACT_STORAGE = "ENABLE_ARTIFACT_STORAGE"
+ENABLE_TRACING = "ENABLE_TRACING"