diff --git a/bbmri/docker-compose.yml b/bbmri/docker-compose.yml
index 334b048..2b6e84d 100644
--- a/bbmri/docker-compose.yml
+++ b/bbmri/docker-compose.yml
@@ -26,7 +26,3 @@ services:
 volumes:
   blaze-data:
 
-# used in modules *-locator.yml
-secrets:
-  proxy.pem:
-    file: /etc/bridgehead/pki/${SITE_ID}.priv.pem
diff --git a/bbmri/modules/eric-compose.yml b/bbmri/modules/eric-compose.yml
index 7fc0ef6..9ba6566 100644
--- a/bbmri/modules/eric-compose.yml
+++ b/bbmri/modules/eric-compose.yml
@@ -26,11 +26,11 @@ services:
       ALL_PROXY: http://forward_proxy:3128
       TLS_CA_CERTIFICATES_DIR: /conf/trusted-ca-certs
       ROOTCERT_FILE: /conf/root.crt.pem
-    secrets:
-      - proxy.pem
     depends_on:
       - "forward_proxy"
     volumes:
       - /etc/bridgehead/trusted-ca-certs:/conf/trusted-ca-certs:ro
-      - /srv/docker/bridgehead/bbmri/modules/${ERIC_ROOT_CERT}.root.crt.pem:/conf/root.crt.pem:ro
+      - /srv/docker/bridgehead/bbmri/modules/${ERIC_ROOT_CERT}.root.crt.pem:/conf/root.crt.pem:ro,Z
+      # secrets don't seem to allow us to specify Z
+      - /etc/bridgehead/pki/${SITE_ID}.priv.pem:/run/secrets/proxy.pem:ro
 
diff --git a/bbmri/modules/exporter-compose.yml b/bbmri/modules/exporter-compose.yml
index de2ef42..c5eb307 100644
--- a/bbmri/modules/exporter-compose.yml
+++ b/bbmri/modules/exporter-compose.yml
@@ -36,7 +36,7 @@ services:
       - "traefik.http.middlewares.exporter_auth.basicauth.users=${EXPORTER_USER}"
 
     volumes:
-      - "/var/cache/bridgehead/bbmri/exporter-files:/app/exporter-files/output"
+      - "/var/cache/bridgehead/bbmri/exporter-files:/app/exporter-files/output:z"
 
   exporter-db:
     image: docker.verbis.dkfz.de/cache/postgres:${POSTGRES_TAG}
@@ -47,7 +47,7 @@ services:
       POSTGRES_DB: "exporter"
     volumes:
       # Consider removing this volume once we find a solution to save Lens-queries to be executed in the explorer.
-      - "/var/cache/bridgehead/bbmri/exporter-db:/var/lib/postgresql/data"
+      - "/var/cache/bridgehead/bbmri/exporter-db:/var/lib/postgresql/data:Z"
 
   reporter:
     image: docker.verbis.dkfz.de/ccp/dktk-reporter:latest
@@ -69,7 +69,7 @@ services:
     # There is a risk that the bridgehead restarts, losing the already created export.
 
     volumes:
-      - "/var/cache/bridgehead/bbmri/reporter-files:/app/reports"
+      - "/var/cache/bridgehead/bbmri/reporter-files:/app/reports:z"
     labels:
       - "traefik.enable=true"
       - "traefik.http.routers.reporter_bbmri.rule=PathPrefix(`/bbmri-reporter`)"
diff --git a/bbmri/modules/gbn-compose.yml b/bbmri/modules/gbn-compose.yml
index 0fa7585..eba5428 100644
--- a/bbmri/modules/gbn-compose.yml
+++ b/bbmri/modules/gbn-compose.yml
@@ -26,11 +26,11 @@ services:
       ALL_PROXY: http://forward_proxy:3128
       TLS_CA_CERTIFICATES_DIR: /conf/trusted-ca-certs
       ROOTCERT_FILE: /conf/root.crt.pem
-    secrets:
-      - proxy.pem
     depends_on:
       - "forward_proxy"
     volumes:
       - /etc/bridgehead/trusted-ca-certs:/conf/trusted-ca-certs:ro
-      - /srv/docker/bridgehead/bbmri/modules/${GBN_ROOT_CERT}.root.crt.pem:/conf/root.crt.pem:ro
+      - /srv/docker/bridgehead/bbmri/modules/${GBN_ROOT_CERT}.root.crt.pem:/conf/root.crt.pem:ro,Z
+      # secrets don't seem to allow us to specify Z
+      - /etc/bridgehead/pki/${SITE_ID}.priv.pem:/run/secrets/proxy.pem:ro
 
diff --git a/cce/docker-compose.yml b/cce/docker-compose.yml
index 99039e7..78ad186 100644
--- a/cce/docker-compose.yml
+++ b/cce/docker-compose.yml
@@ -35,7 +35,7 @@ services:
       QUERIES_TO_CACHE: '/queries_to_cache.conf'
       ENDPOINT_TYPE: ${FOCUS_ENDPOINT_TYPE:-blaze}
     volumes:
-      - /srv/docker/bridgehead/cce/queries_to_cache.conf:/queries_to_cache.conf:ro
+      - /srv/docker/bridgehead/cce/queries_to_cache.conf:/queries_to_cache.conf:ro,Z
     depends_on:
       - "beam-proxy"
       - "blaze"
@@ -57,12 +57,10 @@ services:
       - "forward_proxy"
     volumes:
       - /etc/bridgehead/trusted-ca-certs:/conf/trusted-ca-certs:ro
-      - /srv/docker/bridgehead/cce/root.crt.pem:/conf/root.crt.pem:ro
+      - /srv/docker/bridgehead/cce/root.crt.pem:/conf/root.crt.pem:ro,Z
+      # secrets don't seem to allow us to specify Z
+      - /etc/bridgehead/pki/${SITE_ID}.priv.pem:/run/secrets/proxy.pem:ro
 
 
 volumes:
   blaze-data:
-
-secrets:
-  proxy.pem:
-    file: /etc/bridgehead/pki/${SITE_ID}.priv.pem
diff --git a/cce/modules/exporter-compose.yml b/cce/modules/exporter-compose.yml
index af31465..8ecc87d 100644
--- a/cce/modules/exporter-compose.yml
+++ b/cce/modules/exporter-compose.yml
@@ -37,7 +37,7 @@ services:
       - "traefik.http.middlewares.exporter_auth.basicauth.users=${EXPORTER_USER}"
 
     volumes:
-      - "/var/cache/bridgehead/cce/exporter-files:/app/exporter-files/output"
+      - "/var/cache/bridgehead/cce/exporter-files:/app/exporter-files/output:z"
 
   exporter-db:
     image: docker.verbis.dkfz.de/cache/postgres:${POSTGRES_TAG}
@@ -48,7 +48,7 @@ services:
       POSTGRES_DB: "exporter"
     volumes:
       # Consider removing this volume once we find a solution to save Lens-queries to be executed in the explorer.
-      - "/var/cache/bridgehead/cce/exporter-db:/var/lib/postgresql/data"
+      - "/var/cache/bridgehead/cce/exporter-db:/var/lib/postgresql/data:Z"
 
   reporter:
     image: docker.verbis.dkfz.de/ccp/dktk-reporter:latest
@@ -70,7 +70,7 @@ services:
     # There is a risk that the bridgehead restarts, losing the already created export.
 
     volumes:
-      - "/var/cache/bridgehead/cce/reporter-files:/app/reports"
+      - "/var/cache/bridgehead/cce/reporter-files:/app/reports:z"
     labels:
       - "traefik.enable=true"
       - "traefik.http.routers.reporter_cce.rule=PathPrefix(`/cce-reporter`)"
diff --git a/ccp/docker-compose.yml b/ccp/docker-compose.yml
index 030fcc1..fc5d63e 100644
--- a/ccp/docker-compose.yml
+++ b/ccp/docker-compose.yml
@@ -35,7 +35,7 @@ services:
       QUERIES_TO_CACHE: '/queries_to_cache.conf'
       ENDPOINT_TYPE: ${FOCUS_ENDPOINT_TYPE:-blaze}
     volumes:
-      - /srv/docker/bridgehead/ccp/queries_to_cache.conf:/queries_to_cache.conf:ro
+      - /srv/docker/bridgehead/ccp/queries_to_cache.conf:/queries_to_cache.conf:ro,Z
     depends_on:
       - "beam-proxy"
       - "blaze"
@@ -57,11 +57,9 @@ services:
       - "forward_proxy"
     volumes:
       - /etc/bridgehead/trusted-ca-certs:/conf/trusted-ca-certs:ro
-      - /srv/docker/bridgehead/ccp/root.crt.pem:/conf/root.crt.pem:ro
+      - /srv/docker/bridgehead/ccp/root.crt.pem:/conf/root.crt.pem:ro,Z
+      # secrets don't seem to allow us to specify Z
+      - /etc/bridgehead/pki/${SITE_ID}.priv.pem:/run/secrets/proxy.pem:ro
 
 volumes:
   blaze-data:
-
-secrets:
-  proxy.pem:
-    file: /etc/bridgehead/pki/${SITE_ID}.priv.pem
diff --git a/ccp/modules/datashield-compose.yml b/ccp/modules/datashield-compose.yml
index 37b0442..3f984b1 100644
--- a/ccp/modules/datashield-compose.yml
+++ b/ccp/modules/datashield-compose.yml
@@ -35,10 +35,10 @@ services:
       BEAM_SECRET: ${TOKEN_MANAGER_SECRET}
       BEAM_DATASHIELD_PROXY: request-manager
     volumes:
-      - "/var/cache/bridgehead/ccp/opal-metadata-db:/srv" # Opal metadata
-    secrets:
-      - opal-cert.pem
-      - opal-key.pem
+      - "/var/cache/bridgehead/ccp/opal-metadata-db:/srv:Z" # Opal metadata
+      # secrets don't seem to allow us to specify Z/z
+      - /tmp/bridgehead/opal-cert.pem:/run/secrets/opal-cert.pem:z
+      - /tmp/bridgehead/opal-key.pem:/run/secrets/opal-key.pem:Z
 
   opal-db:
     container_name: bridgehead-opal-db
@@ -48,7 +48,7 @@ services:
       POSTGRES_USER: "opal"
       POSTGRES_DB: "opal"
     volumes:
-      - "/var/cache/bridgehead/ccp/opal-db:/var/lib/postgresql/data" # Opal project data (imported from exporter)
+      - "/var/cache/bridgehead/ccp/opal-db:/var/lib/postgresql/data:Z" # Opal project data (imported from exporter)
 
   opal-rserver:
     container_name: bridgehead-opal-rserver
@@ -67,20 +67,14 @@ services:
       DISCOVERY_URL: "./map/central.json"
       LOCAL_TARGETS_FILE: "./map/local.json"
       NO_AUTH: "true"
-    secrets:
-      - opal-cert.pem
     depends_on:
       - beam-proxy
     volumes:
-      - /tmp/bridgehead/opal-map/:/map/:ro
+      - /tmp/bridgehead/opal-map/:/map/:ro,Z
+      # secrets don't seem to allow us to specify Z/z
+      - /tmp/bridgehead/opal-cert.pem:/run/secrets/opal-cert.pem:z
 
   beam-proxy:
     environment:
       APP_datashield-connect_KEY: ${DATASHIELD_CONNECT_SECRET}
       APP_token-manager_KEY: ${TOKEN_MANAGER_SECRET}
-
-secrets:
-  opal-cert.pem:
-    file: /tmp/bridgehead/opal-cert.pem
-  opal-key.pem:
-    file: /tmp/bridgehead/opal-key.pem
diff --git a/ccp/modules/dnpm-compose.yml b/ccp/modules/dnpm-compose.yml
index 0ce7f74..3504824 100644
--- a/ccp/modules/dnpm-compose.yml
+++ b/ccp/modules/dnpm-compose.yml
@@ -25,7 +25,7 @@ services:
     volumes:
       - /etc/bridgehead/trusted-ca-certs:/conf/trusted-ca-certs:ro
       - /etc/bridgehead/dnpm/local_targets.json:/conf/connect_targets.json:ro
-      - /srv/docker/bridgehead/minimal/modules/dnpm-central-targets.json:/conf/central_targets.json:ro
+      - /srv/docker/bridgehead/minimal/modules/dnpm-central-targets.json:/conf/central_targets.json:ro,Z
     labels:
       - "traefik.enable=true"
       - "traefik.http.routers.dnpm-connect.rule=PathPrefix(`/dnpm-connect`)"
diff --git a/ccp/modules/dnpm-node-compose.yml b/ccp/modules/dnpm-node-compose.yml
index c1f7dde..99aa15e 100644
--- a/ccp/modules/dnpm-node-compose.yml
+++ b/ccp/modules/dnpm-node-compose.yml
@@ -12,13 +12,13 @@ services:
       MYSQL_ROOT_HOST: "%"
       MYSQL_ROOT_PASSWORD: ${DNPM_MYSQL_ROOT_PASSWORD}
     volumes:
-      - /var/cache/bridgehead/dnpm/mysql:/var/lib/mysql
+      - /var/cache/bridgehead/dnpm/mysql:/var/lib/mysql:Z
 
   dnpm-authup:
     image: authup/authup:latest
     container_name: bridgehead-dnpm-authup
     volumes:
-      - /var/cache/bridgehead/dnpm/authup:/usr/src/app/writable
+      - /var/cache/bridgehead/dnpm/authup:/usr/src/app/writable:Z
     depends_on:
       dnpm-mysql:
         condition: service_healthy
@@ -68,7 +68,7 @@ services:
       - AUTHUP_URL=robot://system:${DNPM_AUTHUP_SECRET}@http://dnpm-authup:3000
     volumes:
       - /etc/bridgehead/dnpm/config:/dnpm_config
-      - /var/cache/bridgehead/dnpm/backend-data:/dnpm_data
+      - /var/cache/bridgehead/dnpm/backend-data:/dnpm_data:Z
     depends_on:
       dnpm-authup:
         condition: service_healthy
diff --git a/ccp/modules/exporter-compose.yml b/ccp/modules/exporter-compose.yml
index 10ae89f..eca9825 100644
--- a/ccp/modules/exporter-compose.yml
+++ b/ccp/modules/exporter-compose.yml
@@ -24,7 +24,7 @@ services:
       - "traefik.http.middlewares.exporter_ccp_strip.stripprefix.prefixes=/ccp-exporter"
       - "traefik.http.routers.exporter_ccp.middlewares=exporter_ccp_strip"
     volumes:
-      - "/var/cache/bridgehead/ccp/exporter-files:/app/exporter-files/output"
+      - "/var/cache/bridgehead/ccp/exporter-files:/app/exporter-files/output:z"
 
   exporter-db:
     image: docker.verbis.dkfz.de/cache/postgres:${POSTGRES_TAG}
@@ -35,7 +35,7 @@ services:
       POSTGRES_DB: "exporter"
     volumes:
       # Consider removing this volume once we find a solution to save Lens-queries to be executed in the explorer.
-      - "/var/cache/bridgehead/ccp/exporter-db:/var/lib/postgresql/data"
+      - "/var/cache/bridgehead/ccp/exporter-db:/var/lib/postgresql/data:Z"
 
   reporter:
     image: docker.verbis.dkfz.de/ccp/dktk-reporter:latest
@@ -57,7 +57,7 @@ services:
     # There is a risk that the bridgehead restarts, losing the already created export.
 
     volumes:
-      - "/var/cache/bridgehead/ccp/reporter-files:/app/reports"
+      - "/var/cache/bridgehead/ccp/reporter-files:/app/reports:z"
     labels:
       - "traefik.enable=true"
       - "traefik.http.routers.reporter_ccp.rule=PathPrefix(`/ccp-reporter`)"
diff --git a/ccp/modules/fhir2sql-compose.yml b/ccp/modules/fhir2sql-compose.yml
index 1230e89..2dc86b0 100644
--- a/ccp/modules/fhir2sql-compose.yml
+++ b/ccp/modules/fhir2sql-compose.yml
@@ -22,8 +22,8 @@ services:
       POSTGRES_PASSWORD: "${DASHBOARD_DB_PASSWORD}" # Set in dashboard-setup.sh
       POSTGRES_DB: "dashboard"
     volumes:
-      - "/var/cache/bridgehead/ccp/dashboard-db:/var/lib/postgresql/data"
+      - "/var/cache/bridgehead/ccp/dashboard-db:/var/lib/postgresql/data:Z"
 
   focus:
     environment:
-      POSTGRES_CONNECTION_STRING: "postgresql://dashboard:${DASHBOARD_DB_PASSWORD}@dashboard-db/dashboard"
\ No newline at end of file
+      POSTGRES_CONNECTION_STRING: "postgresql://dashboard:${DASHBOARD_DB_PASSWORD}@dashboard-db/dashboard"
diff --git a/ccp/modules/id-management-compose.yml b/ccp/modules/id-management-compose.yml
index 4e3e90a..f8e6ed0 100644
--- a/ccp/modules/id-management-compose.yml
+++ b/ccp/modules/id-management-compose.yml
@@ -62,7 +62,7 @@ services:
     volumes:
       - "patientlist-db-data:/var/lib/postgresql/data"
       # NOTE: Add backups here. This is only imported if /var/lib/bridgehead/data/patientlist/ is empty!!!
-      - "/tmp/bridgehead/patientlist/:/docker-entrypoint-initdb.d/"
+      - "/tmp/bridgehead/patientlist/:/docker-entrypoint-initdb.d/:Z"
 
   traefik-forward-auth:
     image: docker.verbis.dkfz.de/cache/oauth2-proxy/oauth2-proxy:latest
diff --git a/ccp/modules/mtba-compose.yml b/ccp/modules/mtba-compose.yml
index 8f89449..4fa233c 100644
--- a/ccp/modules/mtba-compose.yml
+++ b/ccp/modules/mtba-compose.yml
@@ -32,8 +32,8 @@ services:
       - "traefik.http.routers.mtba_ccp.tls=true"
 
     volumes:
-      - /var/cache/bridgehead/ccp/mtba/input:/app/input
-      - /var/cache/bridgehead/ccp/mtba/persist:/app/persist
+      - /var/cache/bridgehead/ccp/mtba/input:/app/input:z
+      - /var/cache/bridgehead/ccp/mtba/persist:/app/persist:z
 
   # TODO: Include CBioPortal in Deployment ...
   # NOTE: CBioPortal can't load data while the system is running. So after import of data bridgehead needs to be restarted!
diff --git a/dhki/docker-compose.yml b/dhki/docker-compose.yml
index c8df043..31b6e55 100644
--- a/dhki/docker-compose.yml
+++ b/dhki/docker-compose.yml
@@ -33,7 +33,7 @@ services:
       EPSILON: 0.28
       QUERIES_TO_CACHE: '/queries_to_cache.conf'
     volumes:
-      - /srv/docker/bridgehead/dhki/queries_to_cache.conf:/queries_to_cache.conf:ro
+      - /srv/docker/bridgehead/dhki/queries_to_cache.conf:/queries_to_cache.conf:ro,Z
     depends_on:
       - "beam-proxy"
       - "blaze"
@@ -55,12 +55,10 @@ services:
       - "forward_proxy"
     volumes:
       - /etc/bridgehead/trusted-ca-certs:/conf/trusted-ca-certs:ro
-      - /srv/docker/bridgehead/dhki/root.crt.pem:/conf/root.crt.pem:ro
+      - /srv/docker/bridgehead/dhki/root.crt.pem:/conf/root.crt.pem:ro,Z
+      # secrets don't seem to allow us to specify Z
+      - /etc/bridgehead/pki/${SITE_ID}.priv.pem:/run/secrets/proxy.pem:ro
 
 
 volumes:
   blaze-data:
-
-secrets:
-  proxy.pem:
-    file: /etc/bridgehead/pki/${SITE_ID}.priv.pem
diff --git a/itcc/docker-compose.yml b/itcc/docker-compose.yml
index 18adb6f..8e7f0d8 100644
--- a/itcc/docker-compose.yml
+++ b/itcc/docker-compose.yml
@@ -35,7 +35,7 @@ services:
       QUERIES_TO_CACHE: '/queries_to_cache.conf'
       ENDPOINT_TYPE: ${FOCUS_ENDPOINT_TYPE:-blaze}
     volumes:
-      - /srv/docker/bridgehead/itcc/queries_to_cache.conf:/queries_to_cache.conf:ro
+      - /srv/docker/bridgehead/itcc/queries_to_cache.conf:/queries_to_cache.conf:ro,Z
     depends_on:
       - "beam-proxy"
       - "blaze"
@@ -57,12 +57,10 @@ services:
       - "forward_proxy"
     volumes:
       - /etc/bridgehead/trusted-ca-certs:/conf/trusted-ca-certs:ro
-      - /srv/docker/bridgehead/itcc/root.crt.pem:/conf/root.crt.pem:ro
+      - /srv/docker/bridgehead/itcc/root.crt.pem:/conf/root.crt.pem:ro,Z
+      # secrets don't seem to allow us to specify Z
+      - /etc/bridgehead/pki/${SITE_ID}.priv.pem:/run/secrets/proxy.pem:ro
 
 
 volumes:
   blaze-data:
-
-secrets:
-  proxy.pem:
-    file: /etc/bridgehead/pki/${SITE_ID}.priv.pem
diff --git a/kr/docker-compose.yml b/kr/docker-compose.yml
index 2d5390a..66e71ee 100644
--- a/kr/docker-compose.yml
+++ b/kr/docker-compose.yml
@@ -56,12 +56,10 @@ services:
       - "forward_proxy"
     volumes:
       - /etc/bridgehead/trusted-ca-certs:/conf/trusted-ca-certs:ro
-      - /srv/docker/bridgehead/kr/root.crt.pem:/conf/root.crt.pem:ro
+      - /srv/docker/bridgehead/kr/root.crt.pem:/conf/root.crt.pem:ro,Z
+      # secrets don't seem to allow us to specify Z
+      - /etc/bridgehead/pki/${SITE_ID}.priv.pem:/run/secrets/proxy.pem:ro
 
 
 volumes:
   blaze-data:
-
-secrets:
-  proxy.pem:
-    file: /etc/bridgehead/pki/${SITE_ID}.priv.pem
diff --git a/kr/modules/exporter-compose.yml b/kr/modules/exporter-compose.yml
index d5eb227..ce3c67a 100644
--- a/kr/modules/exporter-compose.yml
+++ b/kr/modules/exporter-compose.yml
@@ -24,7 +24,7 @@ services:
       - "traefik.http.middlewares.exporter_ccp_strip.stripprefix.prefixes=/ccp-exporter"
       - "traefik.http.routers.exporter_ccp.middlewares=exporter_ccp_strip"
     volumes:
-      - "/var/cache/bridgehead/ccp/exporter-files:/app/exporter-files/output"
+      - "/var/cache/bridgehead/ccp/exporter-files:/app/exporter-files/output:z"
 
   exporter-db:
     image: docker.verbis.dkfz.de/cache/postgres:${POSTGRES_TAG}
@@ -35,7 +35,7 @@ services:
       POSTGRES_DB: "exporter"
     volumes:
       # Consider removing this volume once we find a solution to save Lens-queries to be executed in the explorer.
-      - "/var/cache/bridgehead/ccp/exporter-db:/var/lib/postgresql/data"
+      - "/var/cache/bridgehead/ccp/exporter-db:/var/lib/postgresql/data:Z"
 
   reporter:
     image: docker.verbis.dkfz.de/ccp/dktk-reporter:latest
@@ -57,7 +57,7 @@ services:
     # There is a risk that the bridgehead restarts, losing the already created export.
 
     volumes:
-      - "/var/cache/bridgehead/ccp/reporter-files:/app/reports"
+      - "/var/cache/bridgehead/ccp/reporter-files:/app/reports:z"
     labels:
       - "traefik.enable=true"
       - "traefik.http.routers.reporter_ccp.rule=PathPrefix(`/ccp-reporter`)"
diff --git a/kr/modules/teiler-compose.yml b/kr/modules/teiler-compose.yml
index 25a3423..d47a8ea 100644
--- a/kr/modules/teiler-compose.yml
+++ b/kr/modules/teiler-compose.yml
@@ -71,9 +71,6 @@ services:
       HTTP_PROXY: "http://forward_proxy:3128"
       ENABLE_MTBA: "${ENABLE_MTBA}"
       ENABLE_DATASHIELD: "${ENABLE_DATASHIELD}"
-    secrets:
-      - ccp.conf
-
-secrets:
-  ccp.conf:
-    file: /etc/bridgehead/ccp.conf
+    volumes:
+      # secrets don't seem to allow us to specify Z
+      - /etc/bridgehead/ccp.conf:/run/secrets/ccp.conf:ro
diff --git a/minimal/docker-compose.yml b/minimal/docker-compose.yml
index c75e5de..344d120 100644
--- a/minimal/docker-compose.yml
+++ b/minimal/docker-compose.yml
@@ -28,6 +28,9 @@ services:
     security_opt:
       # allow access to the docker socket on systems with SELinux
       - "label:type:container_runtime_t"
+    cap_add:
+      # Allow binding to ports <1024 without root
+      - NET_BIND_SERVICE
     volumes:
       - /etc/bridgehead/traefik-tls:/certs:ro
       - ../lib/traefik-configuration/:/configuration:ro
diff --git a/modules/ssh-tunnel-compose.yml b/modules/ssh-tunnel-compose.yml
index 5ca9989..5750bf9 100644
--- a/modules/ssh-tunnel-compose.yml
+++ b/modules/ssh-tunnel-compose.yml
@@ -10,8 +10,4 @@ services:
       SSH_TUNNEL_PORT: "${SSH_TUNNEL_PORT:-22}"
     volumes:
       - "/etc/bridgehead/ssh-tunnel.conf:/ssh-tunnel.conf:ro"
-    secrets:
-      - privkey
-secrets:
-  privkey:
-    file: /etc/bridgehead/pki/ssh-tunnel.priv.pem
+      - "/etc/bridgehead/pki/ssh-tunnel.priv.pem:/run/secrets/privkey:ro"
diff --git a/modules/transfair-compose.yml b/modules/transfair-compose.yml
index d2027fb..beb2b64 100644
--- a/modules/transfair-compose.yml
+++ b/modules/transfair-compose.yml
@@ -27,7 +27,7 @@ services:
       - NO_PROXY=${TRANSFAIR_NO_PROXIES}
       - ALL_PROXY=http://forward_proxy:3128
     volumes:
-      - /var/cache/bridgehead/${PROJECT}/transfair:/transfair
+      - /var/cache/bridgehead/${PROJECT}/transfair:/transfair:Z
       - /etc/bridgehead/trusted-ca-certs:/conf/trusted-ca-certs:ro
     labels:
       - "traefik.enable=true"