Fix build: generate settings.json from env vars at runtime

settings.json is gitignored (contains token). entrypoint.sh writes it
from OUTLINE_URL / OUTLINE_TOKEN env vars on container start.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitignore

@@ -1,5 +1,6 @@
 # Secrets
 settings.json
+.env
 
 # Export data (may contain sensitive content)
 outline_export/

Dockerfile

@@ -18,7 +18,8 @@ RUN git config --global user.email "sync@local" && \
 
 WORKDIR /work
 
-COPY outline_sync.py webui.py settings.json ./
+COPY outline_sync.py webui.py entrypoint.sh ./
+RUN chmod +x entrypoint.sh
 
 # Initialise vault with both branches needed by outline_sync.py
 RUN git init /vault && \
@@ -31,4 +32,5 @@ RUN git init /vault && \
 
 EXPOSE 8080
 
+ENTRYPOINT ["/work/entrypoint.sh"]
 CMD ["uvicorn", "webui:app", "--host", "0.0.0.0", "--port", "8080"]

docker-compose.yml

@@ -5,6 +5,9 @@ services:
     restart: unless-stopped
     networks:
       - domnet
+    environment:
+      - OUTLINE_URL=${OUTLINE_URL:-http://outline:3000}
+      - OUTLINE_TOKEN=${OUTLINE_TOKEN}
     ports:
       - "8181:8080"
     labels:

entrypoint.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+set -e
+
+# Generate settings.json from environment variables at container start.
+# OUTLINE_URL and OUTLINE_TOKEN must be set (e.g. via docker-compose env / .env file).
+
+cat > /work/settings.json <<EOF
+{
+  "source": { "url": "${OUTLINE_URL}", "token": "${OUTLINE_TOKEN}" },
+  "target": { "url": "${OUTLINE_URL}", "token": "${OUTLINE_TOKEN}" },
+  "sync":   { "allow_deletions": false }
+}
+EOF
+
+exec "$@"