Switch from envrc → env format

Ref coop-cloud/abra#40

.env.sample

@@ -0,0 +1,23 @@
+APP=traefik
+
+DOMAIN=traefik.example.com
+LETS_ENCRYPT_ENV=production
+
+LETS_ENCRYPT_EMAIL=certs@example.com
+# DASHBOARD_ENABLED=true
+# WARN, INFO etc.
+LOG_LEVEL=WARN
+
+TRAEFIK_YML_VERSION=v1
+FILE_PROVIDER_YML_VERSION=v1
+
+## Enable Keycloak
+#COMPOSE_FILE="compose.yml:compose.keycloak.yml"
+#KEYCLOAK_MIDDLEWARE_ENABLED=1
+
+## SMTP port 587
+#COMPOSE_FILE="compose.yml:compose.smtp.yml"
+#SMTP_ENABLED=1
+
+## Host-mode networking
+#COMPOSE_FILE="compose.yml:compose.host.yml"

.envrc.sample

@@ -1,23 +0,0 @@
-export APP=traefik
-
-export DOMAIN=traefik.example.com
-export LETS_ENCRYPT_ENV=production
-
-export LETS_ENCRYPT_EMAIL=certs@example.com
-# export DASHBOARD_ENABLED=true
-# WARN, INFO etc.
-export LOG_LEVEL=WARN
-
-export TRAEFIK_YML_VERSION=v1
-export FILE_PROVIDER_YML_VERSION=v1
-
-## Enable Keycloak
-#export COMPOSE_FILE="compose.yml:compose.keycloak.yml"
-#export KEYCLOAK_MIDDLEWARE_ENABLED=1
-
-## SMTP port 587
-#export COMPOSE_FILE="compose.yml:compose.smtp.yml"
-#export SMTP_ENABLED=1
-
-## Host-mode networking
-#export COMPOSE_FILE="compose.yml:compose.host.yml"