feat: enhance n8n workflows with dynamic credential management and email configuration
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Lago
@@ -0,0 +1,83 @@
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#!/bin/sh
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set -eu
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WORKFLOW_TEMPLATE="${N8N_WORKFLOW_TEMPLATE:-/opt/mc-cars/workflows/01-qualification-payment-email.json}"
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WORKFLOW_RENDERED="/tmp/01-qualification-payment-email.rendered.json"
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CREDENTIALS_FILE="/tmp/mc-cars-credentials.json"
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required_var() {
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var_name="$1"
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eval "var_value=\${$var_name:-}"
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if [ -z "$var_value" ]; then
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echo "[n8n-bootstrap] Missing required env var: $var_name" >&2
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exit 1
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fi
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}
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escape_sed() {
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printf '%s' "$1" | sed -e 's/[\/&]/\\&/g'
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}
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required_var N8N_POSTGRES_CREDENTIAL_ID
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required_var N8N_POSTGRES_CREDENTIAL_NAME
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required_var N8N_SMTP_CREDENTIAL_ID
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required_var N8N_SMTP_CREDENTIAL_NAME
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required_var N8N_SMTP_HOST
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required_var N8N_SMTP_USER
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required_var N8N_SMTP_PASS
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required_var N8N_PAYPAL_KAUTION_LINK
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required_var N8N_PAYPAL_MIETE_LINK
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required_var DB_POSTGRESDB_PASSWORD
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required_var N8N_PAYMENT_WORKFLOW_ID
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cat > "$CREDENTIALS_FILE" <<EOF
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[
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{
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"id": "${N8N_POSTGRES_CREDENTIAL_ID}",
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"name": "${N8N_POSTGRES_CREDENTIAL_NAME}",
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"type": "postgres",
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"data": {
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"host": "db",
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"password": "${DB_POSTGRESDB_PASSWORD}"
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}
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},
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{
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"id": "${N8N_SMTP_CREDENTIAL_ID}",
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"name": "${N8N_SMTP_CREDENTIAL_NAME}",
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"type": "smtp",
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"data": {
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"host": "${N8N_SMTP_HOST}",
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"user": "${N8N_SMTP_USER}",
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"password": "${N8N_SMTP_PASS}"
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}
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}
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]
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EOF
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if [ ! -f "$WORKFLOW_TEMPLATE" ]; then
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echo "[n8n-bootstrap] Workflow template not found: $WORKFLOW_TEMPLATE" >&2
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exit 1
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fi
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POSTGRES_ID_ESCAPED="$(escape_sed "$N8N_POSTGRES_CREDENTIAL_ID")"
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SMTP_ID_ESCAPED="$(escape_sed "$N8N_SMTP_CREDENTIAL_ID")"
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KAUTION_LINK_ESCAPED="$(escape_sed "$N8N_PAYPAL_KAUTION_LINK")"
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MIETE_LINK_ESCAPED="$(escape_sed "$N8N_PAYPAL_MIETE_LINK")"
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sed \
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-e "s/__POSTGRES_CREDENTIAL_ID__/${POSTGRES_ID_ESCAPED}/g" \
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-e "s/__SMTP_CREDENTIAL_ID__/${SMTP_ID_ESCAPED}/g" \
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-e "s|__PAYPAL_KAUTION_LINK__|${KAUTION_LINK_ESCAPED}|g" \
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-e "s|__PAYPAL_MIETE_LINK__|${MIETE_LINK_ESCAPED}|g" \
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"$WORKFLOW_TEMPLATE" > "$WORKFLOW_RENDERED"
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echo "[n8n-bootstrap] Importing credentials"
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n8n import:credentials --input="$CREDENTIALS_FILE"
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echo "[n8n-bootstrap] Importing workflow"
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n8n import:workflow --input="$WORKFLOW_RENDERED"
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echo "[n8n-bootstrap] Activating workflow ${N8N_PAYMENT_WORKFLOW_ID}"
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n8n update:workflow --id="${N8N_PAYMENT_WORKFLOW_ID}" --active=true
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echo "[n8n-bootstrap] Bootstrap complete"
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File diff suppressed because one or more lines are too long
+22
-22
@@ -30,36 +30,36 @@ This folder contains exportable n8n workflow definitions for the MC Cars qualifi
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## Setup Instructions
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### 1. Create Postgres credential in n8n
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- **Name:** `MC Cars Postgres`
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- **Host:** `db`
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- **Port:** `5432`
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- **Database:** `postgres`
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- **User:** `postgres`
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- **Password:** (value of `POSTGRES_PASSWORD` from `.env`)
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### 1. Configure `.env`
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The stack now bootstraps n8n credentials/workflow automatically on every `docker compose up`.
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### 2. Create SMTP credential in n8n
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- **Name:** `MC Cars SMTP`
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- **Host:** `heracles.mxrouting.net`
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- **Port:** `587` (STARTTLS) or `465` (SSL/TLS)
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- **User:** `office@mc-cars.at`
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- **Password:** use the mailbox password provided out-of-band (do not commit secrets to git)
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- **From:** `office@mc-cars.at`
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Required env variables:
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- `POSTGRES_PASSWORD`
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- `N8N_POSTGRES_CREDENTIAL_ID`
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- `N8N_POSTGRES_CREDENTIAL_NAME`
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- `N8N_SMTP_CREDENTIAL_ID`
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- `N8N_SMTP_CREDENTIAL_NAME`
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- `N8N_SMTP_HOST`
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- `N8N_SMTP_USER`
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- `N8N_SMTP_PASS`
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- `N8N_PAYPAL_KAUTION_LINK`
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- `N8N_PAYPAL_MIETE_LINK`
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- `N8N_PAYMENT_WORKFLOW_ID`
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### 3. Mailbox reference (for future incoming-email workflows)
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### 2. Mailbox reference (for future incoming-email workflows)
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- **IMAP host:** `heracles.mxrouting.net` (port `993`, SSL/TLS)
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- **POP3 host:** `heracles.mxrouting.net` (port `995`, SSL/TLS)
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- **Username:** `office@mc-cars.at`
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- **Password:** same mailbox password as SMTP
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### 4. Import workflows
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1. Open n8n at http://localhost:55590
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2. Go to **Workflows** → **Import from file**
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3. Import `01-qualification-payment-email.json`
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4. Import `02-mietvertrag-pdf-email.json`
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5. Open each workflow → assign the credentials created above → **Activate**
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### 3. Import behavior
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On startup, n8n runs `/opt/mc-cars/bootstrap/bootstrap-n8n.sh` which:
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1. Creates/updates Postgres and SMTP credentials from `.env`
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2. Renders `01-qualification-payment-email.json` placeholders
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3. Imports the workflow so nodes are always linked to the expected credential IDs
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4. Activates the payment workflow automatically (`n8n update:workflow --active=true`)
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### 5. Upload Mietvertrag template (optional)
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### 4. Upload Mietvertrag template (optional)
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1. Open Admin panel → **Einstellungen** tab
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2. Upload a DOCX file in the "Mietvertrag-Vorlage" section
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3. The template should contain these placeholders:
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