Inbucket version fix. (#40)

Reviewed-on: #40

.drone.yml

@@ -1,10 +1,15 @@
 kind: pipeline
 type: docker
-name: default
+name: validate-pr
 
 steps:
   - name: validate
-    image: 'docker/compose:1.29.2'
+    image: 'docker/compose:alpine-1.29.2'
     commands:
       - for DIR in */ ; do if [[ $(expr match "$DIR" "_.*") != 0 ]] ; then echo "SKIPPING $DIR" && continue; fi && test -f $DIR/.env.dist && cp $DIR/.env.dist $DIR/.env ; done
       - for DIR in */ ; do if [[ $(expr match "$DIR" "_.*") != 0 ]] ; then echo "SKIPPING $DIR" && continue; fi && echo $DIR && cd $DIR && docker-compose config && cd .. ; done
+
+trigger:
+  event:
+    include:
+      - pull_request

inbucket/docker-compose.yml

@@ -1,3 +1,5 @@
+version: '3.7'
+
 services:
   inbucket:
     image: inbucket/inbucket:latest