change application specific temp dir

Dockerfile

@@ -46,6 +46,8 @@ RUN set -ex \
   # Create a non-root user
   && addgroup --system --gid 1001 appgroup \
   && adduser --system --uid 1001 --gid 1001 --no-create-home appuser \
+  # Creare application specific tmp directory, set ENV TMPDIR to /app/tmp
+  && mkdir -p /app/tmp \
   && chown -R appuser /venv /app \
   # Upgrade the package index and install security upgrades
   && apt-get update \

docker-compose.yaml

@@ -61,6 +61,7 @@ services:
       - STATESTORE_CONFIG=/app/config/settings-reducer.yaml.template
       - MODELSTORAGE_CONFIG=/app/config/settings-reducer.yaml.template
       - FEDN_COMPUTE_PACKAGE_DIR=/app
+      - TMPDIR=/app/tmp
     build:
       context: .
       args:
@@ -85,6 +86,7 @@ services:
       - STATESTORE_CONFIG=/app/config/settings-combiner.yaml.template
       - MODELSTORAGE_CONFIG=/app/config/settings-combiner.yaml.template
       - HOOK_SERVICE_HOST=hook:12081
+      - TMPDIR=/app/tmp
     build:
       context: .
       args:
@@ -113,6 +115,7 @@ services:
     container_name: hook
     environment:
       - GET_HOSTS_FROM=dns
+      - TMPDIR=/app/tmp
     build:
       context: .
       args: