diff --git a/.env b/.env
index 4a4fc47..aaa3eae 100644
--- a/.env
+++ b/.env
@@ -7,3 +7,16 @@ PROXY_PORT=8080
 IDENTITY_SERVICE_PROTOCOL=http
 IDENTITY_SERVICE_HOST=auth.example.org
 IDENTITY_SERVICE_PORT=8080
+
+ACS_TAG=7.3.0
+ATR_TAG=2.0.0
+ATE_AIO_TAG=3.0.0
+ASFS_TAG=2.0.0
+APS_TAG=2.3.5
+AAMQ_TAG=5.17.1-jre17-centos7
+POSTGRES_TAG=13
+ASIE_TAG=2.0.5
+ACS_SHARE_TAG=7.3.0
+ALF_SYNC_SERV_TAG=3.7
+ADW_TAG=3.1.0
+ELASTICSEARCH_TAG=7.17.7
diff --git a/docker-compose.yml b/docker-compose.yml
index efef0fa..a27b543 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,22 +1,31 @@
 # 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: "2.1"
+version: "3"
 
 services:
     platform:
-        image: quay.io/alfresco/alfresco-governance-repository-enterprise:V3.4-latest
-        mem_limit: 2g
+        image: quay.io/alfresco/alfresco-governance-repository-enterprise:${ACS_TAG}
         environment:
+            JAVA_TOOL_OPTIONS: "
+                -Dencryption.keystore.type=JCEKS
+                -Dencryption.cipherAlgorithm=DESede/CBC/PKCS5Padding
+                -Dencryption.keyAlgorithm=DESede
+                -Dencryption.keystore.location=/usr/local/tomcat/shared/classes/alfresco/extension/keystore/keystore
+                -Dmetadata-keystore.password=mp6yc0UD9e
+                -Dmetadata-keystore.aliases=metadata
+                -Dmetadata-keystore.metadata.password=oKIWzVdEdA
+                -Dmetadata-keystore.metadata.algorithm=DESede
+                "
             JAVA_OPTS: "
+                -Xms512m -Xmx1g
                 -Ddb.driver=org.postgresql.Driver
                 -Ddb.username=alfresco
                 -Ddb.password=alfresco
                 -Ddb.url=jdbc:postgresql://postgres-acs:5432/alfresco
                 -Dindex.subsystem.name=solr6
                 -Dsolr.host=search
-                -Dsolr.port=8983
-                -Dsolr.secureComms=none
+                -Dsolr.secureComms=secret
+                -Dsolr.sharedSecret=alfresco-secret
                 -Dshare.host=${PROXY_HOST}
                 -Dshare.port=${PROXY_PORT}
                 -Dshare.protocol=${PROXY_PROTOCOL}
@@ -26,32 +35,21 @@ services:
                 -Daos.baseUrlOverwrite=${PROXY_PROTOCOL}://${PROXY_HOST}:${PROXY_PORT}/alfresco/aos
                 -Dmessaging.broker.url=\"failover:(nio://activemq:61616)?timeout=3000&jms.useCompression=true\"
                 -Ddeployment.method=DOCKER_COMPOSE
-                -DlocalTransform.core-aio.url=http://transform-core-aio:8090/
-                -Dalfresco-pdf-renderer.url=http://transform-core-aio:8090/
-                -Djodconverter.url=http://transform-core-aio:8090/
-                -Dimg.url=http://transform-core-aio:8090/
-                -Dtika.url=http://transform-core-aio:8090/
-                -Dtransform.misc.url=http://transform-core-aio:8090/
                 -Dcsrf.filter.enabled=false
-                -XX:MinRAMPercentage=50 -XX:MaxRAMPercentage=80
-
+                -Dcors.enabled=false
                 -Dtransform.service.enabled=true
-                -Dlocal.transform.service.enabled=false
-
                 -Dtransform.service.url=http://transform-router:8095
                 -Dsfs.url=http://shared-file-store:8099
+                -Dlocal.transform.service.enabled=true
                 -Dalfresco-pdf-renderer.url=http://transform-engine-aio:8090
                 -Djodconverter.url=http://transform-engine-aio:8090
                 -Dimg.url=http://transform-engine-aio:8090
                 -Dtika.url=http://transform-engine-aio:8090
                 -Dtransform.misc.url=http://transform-engine-aio:8090
-
                 -Ddsync.service.uris=${PROXY_PROTOCOL}://${PROXY_HOST}:${PROXY_PORT}/sync
-
                 -Dauthentication.chain=aims:identity-service,builtin:alfrescoNtlm
                 -Didentity-service.authentication.defaultAdministratorUserNames=admin.1
                 -Didentity-service.auth-server-url=${IDENTITY_SERVICE_PROTOCOL}://${IDENTITY_SERVICE_HOST}:${IDENTITY_SERVICE_PORT}/auth
-                
                 -Dsystem.content.eagerOrphanCleanup=true
                 -Dsystem.content.orphanProtectDays=0
                 -Djodconverter.enabled=false
@@ -69,8 +67,7 @@ services:
             - "$ALFRESCO_LICENSE_DIR/acs:/usr/local/tomcat/shared/classes/alfresco/extension/license:ro"
     
     transform-router:
-        image: quay.io/alfresco/alfresco-transform-router:1.3.1
-        mem_limit: 128m
+        image: quay.io/alfresco/alfresco-transform-router:${ATR_TAG}
         environment:
             ACTIVEMQ_URL: "nio://activemq:61616"
             CORE_AIO_URL : "http://transform-core-aio:8090"
@@ -80,8 +77,7 @@ services:
             - shared-file-store
     
     transform-core-aio:
-        image: alfresco/alfresco-transform-core-aio:2.3.6
-        mem_limit: 1g
+        image: alfresco/alfresco-transform-core-aio:${ATE_AIO_TAG}
         environment:
             ACTIVEMQ_URL: "nio://activemq:61616"
             FILE_STORE_URL: "http://shared-file-store:8099/alfresco/api/-default-/private/sfs/versions/1/file"
@@ -90,14 +86,12 @@ services:
             - shared-file-store
 
     shared-file-store:
-        image: alfresco/alfresco-shared-file-store:0.10.0
-        mem_limit: 256m
+        image: quay.io/alfresco/alfresco-shared-file-store:${ASFS_TAG}
         volumes:
             - shared-file-store-volume:/tmp/Alfresco/sfs
     
     share:
-        image: quay.io/alfresco/alfresco-governance-share-enterprise:V3.4-latest
-        mem_limit: 512m
+        image: quay.io/alfresco/alfresco-governance-share-enterprise:${ACS_SHARE_TAG}
         environment:
             REPO_HOST: "platform"
             CSRF_FILTER_REFERER: "${PROXY_PROTOCOL}://${PROXY_HOST}(:${PROXY_PORT})?/?.*"
@@ -122,34 +116,36 @@ services:
                 "
     
     postgres-acs:
-        image: postgres:11.7
-        mem_limit: 128m
+        image: postgres:${POSTGRES_TAG}
         environment:
-            - POSTGRES_PASSWORD=alfresco
-            - POSTGRES_USER=alfresco
-            - POSTGRES_DB=alfresco
+            POSTGRES_PASSWORD: alfresco
+            POSTGRES_USER: alfresco
+            POSTGRES_DB: alfresco
         command: postgres -c max_connections=300 -c log_min_messages=LOG
     
     search:
-        image: alfresco/alfresco-search-services:2.0.1
-        mem_limit: 1g
+        image: alfresco/alfresco-search-services:${ASIE_TAG}
         environment:
-            - SOLR_ALFRESCO_HOST=platform
-            - SOLR_ALFRESCO_PORT=8080
-            - SOLR_SOLR_HOST=search
-            - SOLR_SOLR_PORT=8983
-            - SOLR_CREATE_ALFRESCO_DEFAULTS=alfresco,archive
-            - ALFRESCO_SECURE_COMMS=none
+            SOLR_ALFRESCO_HOST: platform
+            SOLR_SOLR_HOST: search
+            SOLR_CREATE_ALFRESCO_DEFAULTS: alfresco,archive
+            ALFRESCO_SECURE_COMMS: secret
+            JAVA_TOOL_OPTIONS: "
+                -Dalfresco.secureComms.secret=alfresco-secret
+                "
 
     activemq:
-        image: alfresco/alfresco-activemq:5.15.8
-        mem_limit: 512m
+        image: alfresco/alfresco-activemq:${AAMQ_TAG}
+        environment:
+            ACTIVEMQ_OPTS_MEMORY: -Xms64m -Xmx256m
+            ACTIVEMQ_ADMIN_LOGIN: alfresco
+            ACTIVEMQ_ADMIN_PASSWORD: alfresco
 
     sync:
-        image: quay.io/alfresco/service-sync:3.3.3.1
-        mem_limit: 512m
+        image: quay.io/alfresco/service-sync:${ALF_SYNC_SERV_TAG}
         environment:
             JAVA_OPTS : "
+                -Xms64m -Xmx256m
                 -Dsql.db.driver=org.postgresql.Driver
                 -Dsql.db.url=jdbc:postgresql://postgres-acs:5432/alfresco
                 -Dsql.db.username=alfresco
@@ -158,7 +154,6 @@ services:
                 -Drepo.hostname=platform
                 -Drepo.port=8080
                 -Ddw.server.applicationConnectors[0].type=http
-                -XX:MinRAMPercentage=50 -XX:MaxRAMPercentage=80
                 -Didentity-service.auth-server-url=${IDENTITY_SERVICE_PROTOCOL}://${IDENTITY_SERVICE_HOST}:${IDENTITY_SERVICE_PORT}/auth
                 -Didentity-service.resource=acs-sync
                 "
@@ -167,8 +162,7 @@ services:
             - activemq
 
     digital-workspace:
-        image: quay.io/alfresco/alfresco-digital-workspace:2.0.0-adw
-        mem_limit: 128m
+        image: quay.io/alfresco/alfresco-digital-workspace:${ADW_TAG}
         environment:
             BASE_PATH: ./
             APP_CONFIG_ECM_HOST: "${PROXY_PROTOCOL}://${PROXY_HOST}:${PROXY_PORT}"
@@ -185,8 +179,7 @@ services:
             APP_CONFIG_OAUTH2_REDIRECT_LOGOUT: "/workspace/logout"
 
     activiti-app:
-        image: alfresco/process-services:1.11.1.1
-        mem_limit: 512m
+        image: quay.io/alfresco/alfresco-process-services:${APS_TAG}
         environment:
             ACTIVITI_DATASOURCE_USERNAME: alfresco
             ACTIVITI_DATASOURCE_PASSWORD: alfresco
@@ -200,15 +193,14 @@ services:
             IDENTITY_SERVICE_ENABLED: "true"
             IDENTITY_SERVICE_AUTH: ${IDENTITY_SERVICE_PROTOCOL}://${IDENTITY_SERVICE_HOST}:${IDENTITY_SERVICE_PORT}/auth
             IDENTITY_SERVICE_CONTENT_SSO_REDIRECT_URI: ${PROXY_PROTOCOL}://${PROXY_HOST}:${PROXY_PORT}/activiti-app/app/rest/integration/sso/confirm-auth-request
-            JAVA_OPTS: "-XX:MinRAMPercentage=50 -XX:MaxRAMPercentage=80"
+            JAVA_OPTS: "-Xms128m -Xmx256m"
         depends_on:
             - postgres-aps
         volumes:
-            - "$ALFRESCO_LICENSE_DIR/aps:/root/.activiti/enterprise-license:ro"
+            - "$ALFRESCO_LICENSE_DIR/aps:/home/alfresco/.activiti/enterprise-license:ro"
     
     activiti-admin:
-        image: alfresco/process-services-admin:1.11.1.1
-        mem_limit: 256m
+        image: quay.io/alfresco/alfresco-process-services-admin:${APS_TAG}
         environment:
             ACTIVITI_ADMIN_DATASOURCE_USERNAME: alfresco
             ACTIVITI_ADMIN_DATASOURCE_PASSWORD: alfresco
@@ -217,14 +209,13 @@ services:
             ACTIVITI_ADMIN_DATASOURCE_URL: 'jdbc:postgresql://postgres-aps-admin:5432/activiti-admin?characterEncoding=UTF-8'
             ACTIVITI_ADMIN_REST_APP_HOST: http://activiti-app
             ACTIVITI_ADMIN_REST_APP_PORT: 8080
-            JAVA_OPTS: "-XX:MinRAMPercentage=50 -XX:MaxRAMPercentage=80"
+            JAVA_OPTS: "-Xms64m -Xmx128m"
         depends_on:
             - postgres-aps-admin
             - activiti-app
     
     postgres-aps:
-        image: postgres:11.6
-        mem_limit: 128m
+        image: postgres:${POSTGRES_TAG}
         environment:
             POSTGRES_DB: activiti
             POSTGRES_USER: alfresco
@@ -232,8 +223,7 @@ services:
         command: postgres -c max_connections=300 -c log_min_messages=LOG
     
     postgres-aps-admin:
-        image: postgres:11.6
-        mem_limit: 128m
+        image: postgres:${POSTGRES_TAG}
         environment:
             POSTGRES_DB: activiti-admin
             POSTGRES_USER: alfresco
@@ -241,8 +231,7 @@ services:
         command: postgres -c max_connections=50 -c log_min_messages=LOG
     
     search-aps:
-        image: elasticsearch:7.6.0
-        mem_limit: 512m
+        image: elasticsearch:${ELASTICSEARCH_TAG}
         environment:
             discovery.type: single-node
             ES_JAVA_OPTS: "-Xms128m -Xmx256m"