feat: add smtp support

.env.sample

@@ -12,3 +12,13 @@ LOG_FILE=/data/vaultwarden.log
 LOG_LEVEL=warn
 
 SECRET_ADMIN_TOKEN_VERSION=v1 # length=48
+
+
+## SMTP settings
+#COMPOSE_FILE="$COMPOSE_FILE:compose.smtp.yml"
+#SECRET_SMTP_PASSWORD_VERSION=v1
+#SMTP_FROM=noreply@example.com
+#SMTP_USERNAME=noreply@example.com
+#SMTP_HOST=mail.example.com
+#SMTP_PORT=587
+#SMTP_SECURITY=starttls

abra.sh

@@ -1,4 +1,4 @@
-export APP_ENTRYPOINT_VERSION=v1
+export APP_ENTRYPOINT_VERSION=v2
 APP_DIR="app:/data"
 
 _backup_app() {

compose.smtp.yml

@@ -0,0 +1,19 @@
+---
+version: "3.8"
+
+services:
+  app:
+    secrets:
+      - smtp_password
+    environment:
+      - "SMTP_PASSWORD_FILE=/run/secrets/smtp_password"
+      - "SMTP_FROM"
+      - "SMTP_USERNAME"
+      - "SMTP_HOST"
+      - "SMTP_PORT"
+      - "SMTP_SECURITY"
+
+secrets:
+  smtp_password:
+    external: true
+    name: ${STACK_NAME}_smtp_password_${SECRET_SMTP_PASSWORD_VERSION}

entrypoint.sh.tmpl

@@ -25,6 +25,7 @@ file_env() {
 }
 
 file_env "ADMIN_TOKEN"
+file_env "SMTP_PASSWORD"
 
 # upstream startup command
 # https://github.com/dani-garcia/vaultwarden/blob/60ed5ff99d15dec0b82c85987f9a3e244b8bde91/docker/Dockerfile.j2#L254