chore(deps): pin dependencies

.drone.yml

@@ -3,7 +3,7 @@ kind: pipeline
 name: deploy to swarm-test.autonomic.zone
 steps:
   - name: deployment
-    image: git.coopcloud.tech/coop-cloud/stack-ssh-deploy:latest
+    image: git.coopcloud.tech/coop-cloud/stack-ssh-deploy:latest@sha256:fc1fa69bea5528db7ba184297735ac1bbd278720910e4cb1f502de9aee14e228
     settings:
       host: swarm-test.autonomic.zone
       stack: liberaforms
@@ -63,7 +63,7 @@ kind: pipeline
 name: generate recipe catalogue
 steps:
   - name: release a new version
-    image: plugins/downstream
+    image: plugins/downstream@sha256:03ff02d8a5637ea5197fa08929a91dfeeb5e30b1da62b82b6c2a895b170338ca
     settings:
       server: https://build.coopcloud.tech
       token:

compose.yml

@@ -4,7 +4,7 @@ version: "3.8"
 services:
 
   app:
-    image: fung.uy/mycosystems/liberaforms:v4.8.1
+    image: fung.uy/mycosystems/liberaforms:v4.8.1@sha256:6aa37bdb6e5291bf3dd83928f57b9767ae3ce6cfb581d8ba66aaf281eb562be0
     configs:
       - source: entrypoint
         mode: 555
@@ -78,7 +78,7 @@ services:
           - "${STACK_NAME}-app"
 
   proxy:
-    image: nginx:stable
+    image: nginx:stable@sha256:09cc2702709e6388d979d8030e3ab4eb1ceb699b2dced26d7543e872a822e823
     networks:
       - internal
       - proxy
@@ -108,7 +108,7 @@ services:
       start_period: 1m
 
   db:
-    image: postgres:17
+    image: postgres:17@sha256:67f41722b7a8cbdb868a44a4995c846eddfdc2973bccb291ce937dce88ad5675
     configs:
         - source: pg_backup
           target: /pg_backup.sh