diff --git a/docker-compose-dev.yaml b/docker-compose-dev.yaml
index 77c9a8e..0e2707b 100644
--- a/docker-compose-dev.yaml
+++ b/docker-compose-dev.yaml
@@ -32,7 +32,7 @@ services:
       db:
         condition: service_healthy
   db:
-    image: postgres:13
+    image: postgres:15.2-alpine
     volumes:
       - ../postgres_data:/var/lib/postgresql/data/
     restart: always
@@ -40,8 +40,9 @@ services:
       POSTGRES_USER: mediacms
       POSTGRES_PASSWORD: mediacms
       POSTGRES_DB: mediacms
+      TZ: Europe/London
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U mediacms"]
+      test: ["CMD-SHELL", "pg_isready", "--host=db", "--dbname=$POSTGRES_DB", "--username=$POSTGRES_USER"]
       interval: 10s
       timeout: 5s
       retries: 5
diff --git a/docker-compose-http-proxy.yaml b/docker-compose-http-proxy.yaml
index ee97322..2b3194e 100644
--- a/docker-compose-http-proxy.yaml
+++ b/docker-compose-http-proxy.yaml
@@ -68,7 +68,7 @@ services:
     depends_on:
       - migrations
   db:
-    image: postgres:13
+    image: postgres:15.2-alpine
     volumes:
       - ../postgres_data/:/var/lib/postgresql/data/
     restart: always
@@ -76,8 +76,9 @@ services:
       POSTGRES_USER: mediacms
       POSTGRES_PASSWORD: mediacms
       POSTGRES_DB: mediacms
+      TZ: Europe/London
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U mediacms"]
+      test: ["CMD-SHELL", "pg_isready", "--host=db", "--dbname=$POSTGRES_DB", "--username=$POSTGRES_USER"]
       interval: 10s
       timeout: 5s
       retries: 5
diff --git a/docker-compose-https-proxy.yaml b/docker-compose-https-proxy.yaml
index 90e60c4..51c4a7a 100644
--- a/docker-compose-https-proxy.yaml
+++ b/docker-compose-https-proxy.yaml
@@ -70,7 +70,7 @@ services:
     depends_on:
       - migrations
   db:
-    image: postgres:13
+    image: postgres:15.2-alpine
     volumes:
       - ../postgres_data/:/var/lib/postgresql/data/
     restart: always
@@ -78,8 +78,9 @@ services:
       POSTGRES_USER: mediacms
       POSTGRES_PASSWORD: mediacms
       POSTGRES_DB: mediacms
+      TZ: Europe/London
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U mediacms"]
+      test: ["CMD-SHELL", "pg_isready", "--host=db", "--dbname=$POSTGRES_DB", "--username=$POSTGRES_USER"]
       interval: 10s
       timeout: 5s
       retries: 5
diff --git a/docker-compose-letsencrypt.yaml b/docker-compose-letsencrypt.yaml
index 9153866..b00db9d 100644
--- a/docker-compose-letsencrypt.yaml
+++ b/docker-compose-letsencrypt.yaml
@@ -90,7 +90,7 @@ services:
     depends_on:
       - migrations
   db:
-    image: postgres:13
+    image: postgres:15.2-alpine
     volumes:
       - ../postgres_data:/var/lib/postgresql/data/
     restart: always
@@ -98,8 +98,9 @@ services:
       POSTGRES_USER: mediacms
       POSTGRES_PASSWORD: mediacms
       POSTGRES_DB: mediacms
+      TZ: Europe/London
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U mediacms"]
+      test: ["CMD-SHELL", "pg_isready", "--host=db", "--dbname=$POSTGRES_DB", "--username=$POSTGRES_USER"]
       interval: 30s
       timeout: 10s
       retries: 5
diff --git a/docker-compose-named-volumes.yaml b/docker-compose-named-volumes.yaml
index b2e1d99..77058c3 100644
--- a/docker-compose-named-volumes.yaml
+++ b/docker-compose-named-volumes.yaml
@@ -66,7 +66,7 @@ services:
     depends_on:
       - migrations
   db:
-    image: postgres:13
+    image: postgres:15.2-alpine
     volumes:
       - postgres_data:/var/lib/postgresql/data/
     restart: always
@@ -74,8 +74,9 @@ services:
       POSTGRES_USER: mediacms
       POSTGRES_PASSWORD: mediacms
       POSTGRES_DB: mediacms
+      TZ: Europe/London
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U mediacms"]
+      test: ["CMD-SHELL", "pg_isready", "--host=db", "--dbname=$POSTGRES_DB", "--username=$POSTGRES_USER"]
       interval: 30s
       timeout: 10s
       retries: 5
diff --git a/docker-compose.yaml b/docker-compose.yaml
index bd3f83f..4e4a3f5 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -62,7 +62,7 @@ services:
     depends_on:
       - migrations
   db:
-    image: postgres:13
+    image: postgres:15.2-alpine
     volumes:
       - ../postgres_data:/var/lib/postgresql/data/
     restart: always
@@ -70,8 +70,9 @@ services:
       POSTGRES_USER: mediacms
       POSTGRES_PASSWORD: mediacms
       POSTGRES_DB: mediacms
+      TZ: Europe/London
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U mediacms"]
+      test: ["CMD-SHELL", "pg_isready", "--host=db", "--dbname=$POSTGRES_DB", "--username=$POSTGRES_USER"]
       interval: 10s
       timeout: 5s
       retries: 5