diff --git a/.env b/.env
index 171f8c4..8c2fb55 100644
--- a/.env
+++ b/.env
@@ -4,3 +4,8 @@ ALFRESCO_LICENSE_DIR=~/alfresco/license
 PROXY_PROTOCOL=http
 PROXY_HOST=localhost
 PROXY_PORT=8080
+
+ACS_TAG=7.3.0
+AAMQ_TAG=5.17.1-jre17-centos7
+POSTGRES_TAG=13
+ASIE_TAG=2.0.5
diff --git a/docker-compose.yml b/docker-compose.yml
index d9cd915..840f1fe 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,15 +1,25 @@
 # Sourced from https://github.com/Alfresco/acs-deployment/blob/4.0.3/docker-compose/docker-compose.yml
 #
-# Using version 2 as 3 does not support resource constraint options (cpu_*, mem_* limits) for non swarm mode in Compose
-version: "2"
+version: "3"
 
 services:
     platform:
-        image: alfresco/alfresco-content-repository:latest
+        image: alfresco/alfresco-content-repository-community:${ACS_TAG}
         environment:
+            JAVA_TOOL_OPTIONS: "
+                -Dencryption.keystore.type=JCEKS
+                -Dencryption.cipherAlgorithm=DESede/CBC/PKCS5Padding
+                -Dencryption.keyAlgorithm=DESede
+                -Dencryption.keystore.location=/usr/local/tomcat/shared/classes/alfresco/extension/keystore/keystore
+                -Dmetadata-keystore.password=mp6yc0UD9e
+                -Dmetadata-keystore.aliases=metadata
+                -Dmetadata-keystore.metadata.password=oKIWzVdEdA
+                -Dmetadata-keystore.metadata.algorithm=DESede"
             JAVA_OPTS: "
                 -Ddb.driver=org.postgresql.Driver
                 -Dsolr.host=search
+                -Dsolr.secureComms=secret
+                -Dsolr.sharedSecret=alfresco-secret
                 -Dalfresco.host=${PROXY_HOST}
                 -Dalfresco.port=${PROXY_PORT}
                 -Dalfresco.protocol=${PROXY_PROTOCOL}
@@ -22,20 +32,24 @@ services:
             - acsbin-volume:/usr/local/tomcat/alf_data:rw
     
     postgres-acs:
-        image: postgres:latest
+        image: postgres:${POSTGRES_TAG}
         volumes:
             - acsdb-volume:/var/lib/postgresql/data:rw
     
     search:
-        image: alfresco/alfresco-search-services:latest
+        image: alfresco/alfresco-search-services:${ASIE_TAG}
         environment:
-            - SOLR_ALFRESCO_HOST=platform
-            - SOLR_SOLR_HOST=search
+            SOLR_ALFRESCO_HOST: platform
+            SOLR_SOLR_HOST: search
+            ALFRESCO_SECURE_COMMS: secret
+            JAVA_TOOL_OPTIONS: "
+                -Dalfresco.secureComms.secret=alfresco-secret
+                "
         volumes:
             - solrindex-volume:/opt/alfresco-search-services/data:rw
 
     activemq:
-        image: alfresco/alfresco-activemq:latest
+        image: alfresco/alfresco-activemq:${AAMQ_TAG}
         volumes:
             - activemq-volume:/opt/activemq/data:rw