feat(database config): use DATABASE_URL in .env for all environments

src/web_app_skeleton/.env.development

@@ -0,0 +1,2 @@
+DEV_PORT=5001
+DATABASE_URL=postgres://lucky:developer@localhost:5432/"<%= crystal_project_name %>_development"

src/web_app_skeleton/.env.test

@@ -0,0 +1,2 @@
+DEV_PORT=5001
+DATABASE_URL=postgres://lucky:developer@localhost:5432/"<%= crystal_project_name %>_test"

src/web_app_skeleton/config/database.cr.ecr

@@ -1,19 +1,37 @@
-database_name = "<%= crystal_project_name %>_#{Lucky::Env.name}"
+def database_url_credentials
+  Avram::Credentials.parse?(ENV["DATABASE_URL"]?)
+end
+
+def database
+  database_url_credentials.try(&.database) || ENV["DB_NAME"]? || <%= crystal_project_name %>
+end
+
+def hostname
+  database_url_credentials.try(&.hostname) || ENV["DB_HOST"]? || "localhost"
+end
+
+def port
+  database_url_credentials.try(&.port) || ENV["DB_PORT"]?.try(&.to_i) || 5432
+end
+
+# Some common usernames are "postgres", "root", or your system username (run 'whoami')
+def username
+  database_url_credentials.try(&.username) || ENV["DB_USERNAME"]? || "postgres"
+end
+
+# Some Postgres installations require no password. Use "" if that is the case.
+def password
+  database_url_credentials.try(&.password) || ENV["DB_PASSWORD"]? || "postgres"
+end
 
 AppDatabase.configure do |settings|
-  if Lucky::Env.production?
-    settings.credentials = Avram::Credentials.parse(ENV["DATABASE_URL"])
-  else
-    settings.credentials = Avram::Credentials.parse?(ENV["DATABASE_URL"]?) || Avram::Credentials.new(
-      database: database_name,
-      hostname: ENV["DB_HOST"]? || "localhost",
-      port: ENV["DB_PORT"]?.try(&.to_i) || 5432,
-      # Some common usernames are "postgres", "root", or your system username (run 'whoami')
-      username: ENV["DB_USERNAME"]? || "postgres",
-      # Some Postgres installations require no password. Use "" if that is the case.
-      password: ENV["DB_PASSWORD"]? || "postgres"
-    )
-  end
+  settings.credentials = Avram::Credentials.new(
+    database: database,
+    hostname: hostname,
+    port: port,
+    username: username,
+    password: password
+  )
 end
 
 Avram.configure do |settings|

src/web_app_skeleton/spec/spec_helper.cr.ecr

@@ -1,5 +1,3 @@
-ENV["LUCKY_ENV"] = "test"
-ENV["DEV_PORT"] = "5001"
 require "spec"
 <%- if browser? -%>
 require "lucky_flow"

src/web_app_skeleton/src/shards.cr.ecr

@@ -1,6 +1,6 @@
 # Load .env file before any other config or app code
 require "dotenv"
-Dotenv.load?
+Dotenv.load?(".env") || Dotenv.load?(".env.#{ENV["LUCKY_ENV"]}")
 
 # Require your shards here
 require "avram"