Merge pull request #1 from postfinance/feature/project-updates

project updates

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: 'github-actions'
+    directory: '/'
+    schedule:
+      interval: 'weekly'
+  - package-ecosystem: 'docker'
+    directory: '/'
+    schedule:
+      interval: 'weekly'

DEVELOPMENT.md

@@ -1,6 +1,10 @@
+# Developer Instructions
+
+Contents:
+
 * [Automatic Versioning](#automatic-versioning)
 
-# Automatic Versioning
+## Automatic Versioning
 
 The automatic versioning happens in the [build action](https://github.com/postfinance/polling-swagger-ui/actions)
 according to SemVer. It uses the [`docker/metadata-action`](https://github.com/docker/metadata-action#semver):

Dockerfile

@@ -1,12 +1,16 @@
-FROM swaggerapi/swagger-ui:v3.52.2
+FROM swaggerapi/swagger-ui:v4.5.0
 MAINTAINER OpenSource PF <[email protected]>
 
 ENV CONFIG_URL /apis/swagger-config.json
 ENV SWAGGER_ROOT /usr/share/nginx/html/apis
 
-CMD ["sh", "/polling-entrypoint.sh"]
+CMD ["sh", "/appl/polling-swagger-ui/entrypoint.sh"]
 
 EXPOSE 8080
 
-COPY scripts/entrypoint.sh /polling-entrypoint.sh
-COPY scripts/poll.js /poll.js
+RUN \
+    mkdir -p /appl/polling-swagger-ui
+
+COPY scripts/entrypoint.sh /appl/polling-swagger-ui/entrypoint.sh
+COPY scripts/poll.js /appl/polling-swagger-ui/poll.js
+COPY scripts/poll-monitor.sh /appl/polling-swagger-ui/poll-monitor.sh

scripts/entrypoint.sh

@@ -3,5 +3,4 @@
 # Docker entrypoint starting nginx as well as the polling process.
 # Original CMD ["sh", "/usr/share/nginx/run.sh"]: https://github.com/swagger-api/swagger-ui/blob/master/Dockerfile.
 
-#/poll.sh & /docker-entrypoint.sh sh /usr/share/nginx/run.sh
-node /poll.js & /docker-entrypoint.sh sh /usr/share/nginx/run.sh
+/appl/polling-swagger-ui/poll-monitor.sh & /docker-entrypoint.sh sh /usr/share/nginx/run.sh

scripts/poll-monitor.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env sh
+#
+# Monitors the polling process, restarts it if it dies.
+
+until $(node /appl/polling-swagger-ui/poll.js >&2); do
+    echo "Polling process died with exit code $?.  Respawning.." >&2
+    sleep 1
+done