diff --git a/roles/manage/files/__cacert_entrypoint.sh b/roles/manage/files/__cacert_entrypoint.sh
new file mode 100644
index 000000000..715e7a1d1
--- /dev/null
+++ b/roles/manage/files/__cacert_entrypoint.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env sh
+# Converted to POSIX shell to avoid the need for bash in the image
+
+set -e
+
+# Opt-in is only activated if the environment variable is set
+if [ -n "$USE_SYSTEM_CA_CERTS" ]; then
+
+  # Copy certificates from /certificates to the system truststore, but only if the directory exists and is not empty.
+  # The reason why this is not part of the opt-in is because it leaves open the option to mount certificates at the
+  # system location, for whatever reason.
+  if [ -d /certificates ] && [ -n "$(ls -A /certificates 2>/dev/null)" ]; then
+    cp -a /certificates/* /usr/local/share/ca-certificates/
+  fi
+
+  CACERT="$JAVA_HOME/lib/security/cacerts"
+
+  # JDK8 puts its JRE in a subdirectory
+  if [ -f "$JAVA_HOME/jre/lib/security/cacerts" ]; then
+    CACERT="$JAVA_HOME/jre/lib/security/cacerts"
+  fi
+
+  # OpenJDK images used to create a hook for `update-ca-certificates`. Since we are using an entrypoint anyway, we
+  # might as well just generate the truststore and skip the hooks.
+  update-ca-certificates
+
+  trust extract --overwrite --format=java-cacerts --filter=ca-anchors --purpose=server-auth "$CACERT"
+fi
+
+exec "$@"
diff --git a/roles/manage/tasks/main.yml b/roles/manage/tasks/main.yml
index 1d19bef6d..5eeeb2e1c 100644
--- a/roles/manage/tasks/main.yml
+++ b/roles/manage/tasks/main.yml
@@ -18,7 +18,7 @@
     mode: "0644"
 
 - name: copy invite certificate
-  copy:
+  ansible.builtin.copy:
     src: "{{ inventory_dir }}/files/certs/invite/public_key.pem"
     dest: "/opt/openconext/manage/public_invite_key.pem"
     owner: root
@@ -40,6 +40,14 @@
     - manage-api-users.yml
   notify: restart manageserver
 
+- name: Place old __cacert_entrypoint.sh script
+  ansible.builtin.copy:
+    src: "__cacert_entrypoint.sh"
+    dest: "/opt/openconext/manage"
+    owner: "root"
+    group: "root"
+    mode: "0755"
+
 - name: copy metadata configuration
   ansible.builtin.template:
     src: "metadata_configuration/{{ item }}.schema.json.j2"
@@ -81,6 +89,10 @@
       - source: /opt/openconext/manage/mongoca.pem
         target: /certificates/mongoca.crt
         type: bind
+      - source: /opt/openconext/manage/__cacert_entrypoint.sh
+        target: /__cacert_entrypoint.sh
+        type: bind
+
     command: "java -jar /app.jar -Xmx512m --spring.config.location=./config/"
     etc_hosts:
       host.docker.internal: host-gateway
diff --git a/roles/myconext/files/__cacert_entrypoint.sh b/roles/myconext/files/__cacert_entrypoint.sh
new file mode 100644
index 000000000..715e7a1d1
--- /dev/null
+++ b/roles/myconext/files/__cacert_entrypoint.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env sh
+# Converted to POSIX shell to avoid the need for bash in the image
+
+set -e
+
+# Opt-in is only activated if the environment variable is set
+if [ -n "$USE_SYSTEM_CA_CERTS" ]; then
+
+  # Copy certificates from /certificates to the system truststore, but only if the directory exists and is not empty.
+  # The reason why this is not part of the opt-in is because it leaves open the option to mount certificates at the
+  # system location, for whatever reason.
+  if [ -d /certificates ] && [ -n "$(ls -A /certificates 2>/dev/null)" ]; then
+    cp -a /certificates/* /usr/local/share/ca-certificates/
+  fi
+
+  CACERT="$JAVA_HOME/lib/security/cacerts"
+
+  # JDK8 puts its JRE in a subdirectory
+  if [ -f "$JAVA_HOME/jre/lib/security/cacerts" ]; then
+    CACERT="$JAVA_HOME/jre/lib/security/cacerts"
+  fi
+
+  # OpenJDK images used to create a hook for `update-ca-certificates`. Since we are using an entrypoint anyway, we
+  # might as well just generate the truststore and skip the hooks.
+  update-ca-certificates
+
+  trust extract --overwrite --format=java-cacerts --filter=ca-anchors --purpose=server-auth "$CACERT"
+fi
+
+exec "$@"
diff --git a/roles/myconext/tasks/main.yml b/roles/myconext/tasks/main.yml
index 3bb0cc2d6..9b0fd9bfe 100644
--- a/roles/myconext/tasks/main.yml
+++ b/roles/myconext/tasks/main.yml
@@ -84,6 +84,14 @@
     group: "root"
     mode: "0750"
 
+- name: Place old __cacert_entrypoint.sh script
+  ansible.builtin.copy:
+    src: "__cacert_entrypoint.sh"
+    dest: "/opt/openconext/myconext"
+    owner: "root"
+    group: "root"
+    mode: "0755"
+
 - name: Create and start the server container
   community.docker.docker_container:
     name: myconextserver
@@ -92,7 +100,7 @@
     restart_policy: "always"
     state: started
     env:
-      USE_SYSTEM_CA_CERTS: "true"
+      USE_SYSTEM_CA_CERTS: "1"
       TZ: "{{ timezone }}"
     networks:
       - name: "loadbalancer"
@@ -103,17 +111,14 @@
       - source: /opt/openconext/certs/mongoca.crt
         target: /certificates/mongoca.crt
         type: bind
-    entrypoint: /__cacert_entrypoint.sh
-    command: 'java -jar /app.jar -Xmx256M --spring.config.location=./config/'
+      - source: /opt/openconext/myconext/__cacert_entrypoint.sh
+        target: /__cacert_entrypoint.sh
+        type: bind
+    entrypoint: ["sh","/__cacert_entrypoint.sh"]
+    command: ["java" , "-jar" , "/app.jar" , "-Xmx256M" , "--spring.config.location=./config/"]
     etc_hosts:
       host.docker.internal: host-gateway
-    healthcheck:
-      test: ["CMD", "wget", "-no-verbose",  "--tries=1",  "--spider", "http://localhost:8080/internal/health" ]
-      interval: 10s
-      timeout: 10s
-      retries: 3
-      start_period: 10s
-  notify: restart myconextserver
+  tags: bart
 
 - name: Create the client container
   community.docker.docker_container:
diff --git a/roles/oidcng/files/__cacert_entrypoint.sh b/roles/oidcng/files/__cacert_entrypoint.sh
new file mode 100644
index 000000000..715e7a1d1
--- /dev/null
+++ b/roles/oidcng/files/__cacert_entrypoint.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env sh
+# Converted to POSIX shell to avoid the need for bash in the image
+
+set -e
+
+# Opt-in is only activated if the environment variable is set
+if [ -n "$USE_SYSTEM_CA_CERTS" ]; then
+
+  # Copy certificates from /certificates to the system truststore, but only if the directory exists and is not empty.
+  # The reason why this is not part of the opt-in is because it leaves open the option to mount certificates at the
+  # system location, for whatever reason.
+  if [ -d /certificates ] && [ -n "$(ls -A /certificates 2>/dev/null)" ]; then
+    cp -a /certificates/* /usr/local/share/ca-certificates/
+  fi
+
+  CACERT="$JAVA_HOME/lib/security/cacerts"
+
+  # JDK8 puts its JRE in a subdirectory
+  if [ -f "$JAVA_HOME/jre/lib/security/cacerts" ]; then
+    CACERT="$JAVA_HOME/jre/lib/security/cacerts"
+  fi
+
+  # OpenJDK images used to create a hook for `update-ca-certificates`. Since we are using an entrypoint anyway, we
+  # might as well just generate the truststore and skip the hooks.
+  update-ca-certificates
+
+  trust extract --overwrite --format=java-cacerts --filter=ca-anchors --purpose=server-auth "$CACERT"
+fi
+
+exec "$@"
diff --git a/roles/oidcng/tasks/main.yml b/roles/oidcng/tasks/main.yml
index d1e2ce47b..d0ebee277 100644
--- a/roles/oidcng/tasks/main.yml
+++ b/roles/oidcng/tasks/main.yml
@@ -80,6 +80,14 @@
   notify:
     - "restart oidcng"
 
+- name: Place old __cacert_entrypoint.sh script
+  ansible.builtin.copy:
+    src: "__cacert_entrypoint.sh"
+    dest: "/opt/openconext/oidcng"
+    owner: "root"
+    group: "root"
+    mode: "0755"
+
 - name: Create and start the server container
   community.docker.docker_container:
     name: oidcngserver
@@ -94,9 +102,12 @@
       - source: "{{ oidcng_dir }}"
         target: /config/
         type: bind
-      - source: /opt/openconext/manage/mongoca.pem
+      - source: /opt/openconext/certs/mongoca.crt
         target: /certificates/mongoca.crt
         type: bind
+      - source: /opt/openconext/oidcng/__cacert_entrypoint.sh
+        target: /__cacert_entrypoint.sh
+        type: bind
     command: "java -jar /app.jar -Xmx512m --spring.config.location=./config/"
     etc_hosts:
       host.docker.internal: host-gateway