diff --git a/docs/fragments/compose/arcadedb.md b/docs/fragments/compose/arcadedb.md
index 42e963a..aae39b6 100644
--- a/docs/fragments/compose/arcadedb.md
+++ b/docs/fragments/compose/arcadedb.md
@@ -17,7 +17,7 @@ The following environment variables can be configured:
 
 | Variable | Default Value | Description |
 |----------|---------------|-------------|
-| `ARCADEDB_VERSION` | `latest` | | 
+| `ARCADEDB_VERSION` | `26.3.2` | | 
 | `ARCADEDB_STUDIO_PORT` | `2480` | | 
 | `ARCADEDB_BINARY_PORT` | `2424` | | 
 | `ARCADEDB_ROOT_PASSWORD` | `playwithdata` | | 
diff --git a/docs/fragments/compose/caddy.md b/docs/fragments/compose/caddy.md
index f202395..4c7565c 100644
--- a/docs/fragments/compose/caddy.md
+++ b/docs/fragments/compose/caddy.md
@@ -17,7 +17,7 @@ The following environment variables can be configured:
 
 | Variable | Default Value | Description |
 |----------|---------------|-------------|
-| `CADDY_VERSION` | `latest` | | 
+| `CADDY_VERSION` | `2-alpine` | | 
 | `CADDY_HTTP_PORT` | `80` | | 
 | `CADDY_HTTPS_PORT` | `443` | | 
 | `CADDY_HTTPS_UDP_PORT` | `443` | | 
diff --git a/docs/fragments/compose/chromadb.md b/docs/fragments/compose/chromadb.md
index 1ce7c00..f2a08e3 100644
--- a/docs/fragments/compose/chromadb.md
+++ b/docs/fragments/compose/chromadb.md
@@ -17,7 +17,7 @@ The following environment variables can be configured:
 
 | Variable | Default Value | Description |
 |----------|---------------|-------------|
-| `CHROMA_VERSION` | `latest` | | 
+| `CHROMA_VERSION` | `1.5.8` | | 
 | `CHROMA_PORT` | `8000` | | 
 | `CHROMA_PERSIST_DIRECTORY` | `/chroma/chroma` | | 
 | `CHROMA_TELEMETRY` | `FALSE` | | 
diff --git a/docs/fragments/compose/eclipse-mosquitto.md b/docs/fragments/compose/eclipse-mosquitto.md
index ae43a2f..ef61714 100644
--- a/docs/fragments/compose/eclipse-mosquitto.md
+++ b/docs/fragments/compose/eclipse-mosquitto.md
@@ -17,7 +17,7 @@ The following environment variables can be configured:
 
 | Variable | Default Value | Description |
 |----------|---------------|-------------|
-| `MOSQUITTO_VERSION` | `latest` | | 
+| `MOSQUITTO_VERSION` | `2` | | 
 | `MOSQUITTO_MQTT_PORT` | `1883` | | 
 | `MOSQUITTO_WS_PORT` | `9001` | | 
 
diff --git a/docs/fragments/compose/grafana.md b/docs/fragments/compose/grafana.md
index 7184552..ed1c1a7 100644
--- a/docs/fragments/compose/grafana.md
+++ b/docs/fragments/compose/grafana.md
@@ -17,7 +17,7 @@ The following environment variables can be configured:
 
 | Variable | Default Value | Description |
 |----------|---------------|-------------|
-| `GRAFANA_VERSION` | `latest` | | 
+| `GRAFANA_VERSION` | `13.0` | | 
 | `GRAFANA_PORT` | `3000` | | 
 | `GRAFANA_ADMIN_PASSWORD` | `admin` | | 
 
diff --git a/docs/fragments/compose/jaeger.md b/docs/fragments/compose/jaeger.md
index 1a09316..2f04eb1 100644
--- a/docs/fragments/compose/jaeger.md
+++ b/docs/fragments/compose/jaeger.md
@@ -17,7 +17,7 @@ The following environment variables can be configured:
 
 | Variable | Default Value | Description |
 |----------|---------------|-------------|
-| `JAEGER_VERSION` | `latest` | | 
+| `JAEGER_VERSION` | `1` | | 
 | `JAEGER_UI_PORT` | `16686` | | 
 | `JAEGER_OTLP_GRPC_PORT` | `4317` | | 
 | `JAEGER_OTLP_HTTP_PORT` | `4318` | | 
diff --git a/docs/fragments/compose/nats.md b/docs/fragments/compose/nats.md
index 8e0c2ec..15b7368 100644
--- a/docs/fragments/compose/nats.md
+++ b/docs/fragments/compose/nats.md
@@ -17,7 +17,7 @@ The following environment variables can be configured:
 
 | Variable | Default Value | Description |
 |----------|---------------|-------------|
-| `NATS_VERSION` | `latest` | | 
+| `NATS_VERSION` | `2-alpine` | | 
 | `NATS_CLIENT_PORT` | `4222` | | 
 | `NATS_MONITORING_PORT` | `8222` | | 
 | `NATS_CLUSTER_PORT` | `6222` | | 
diff --git a/docs/fragments/compose/ollama.md b/docs/fragments/compose/ollama.md
index e37f21d..6916ab5 100644
--- a/docs/fragments/compose/ollama.md
+++ b/docs/fragments/compose/ollama.md
@@ -17,7 +17,7 @@ The following environment variables can be configured:
 
 | Variable | Default Value | Description |
 |----------|---------------|-------------|
-| `OLLAMA_VERSION` | `latest` | | 
+| `OLLAMA_VERSION` | `0.21.0` | | 
 | `OLLAMA_PORT` | `11434` | | 
 | `OLLAMA_KEEP_ALIVE` | `5m` | | 
 | `OLLAMA_FLASH_ATTENTION` | `1` | | 
diff --git a/docs/fragments/compose/otel-collector.md b/docs/fragments/compose/otel-collector.md
index b90ea00..01f4c93 100644
--- a/docs/fragments/compose/otel-collector.md
+++ b/docs/fragments/compose/otel-collector.md
@@ -17,7 +17,7 @@ The following environment variables can be configured:
 
 | Variable | Default Value | Description |
 |----------|---------------|-------------|
-| `OTEL_VERSION` | `latest` | | 
+| `OTEL_VERSION` | `0.150.1` | | 
 | `OTEL_RECEIVER_GRPC_PORT` | `4317` | | 
 | `OTEL_RECEIVER_HTTP_PORT` | `4318` | | 
 | `OTEL_METRICS_PORT` | `8888` | | 
diff --git a/docs/fragments/compose/traefik.md b/docs/fragments/compose/traefik.md
index ffd95ed..0e3861c 100644
--- a/docs/fragments/compose/traefik.md
+++ b/docs/fragments/compose/traefik.md
@@ -17,7 +17,7 @@ The following environment variables can be configured:
 
 | Variable | Default Value | Description |
 |----------|---------------|-------------|
-| `TRAEFIK_VERSION` | `v3.3` | | 
+| `TRAEFIK_VERSION` | `v3` | | 
 | `TRAEFIK_HTTP_PORT` | `80` | | 
 | `TRAEFIK_HTTPS_PORT` | `443` | | 
 | `TRAEFIK_DASHBOARD_PORT` | `8080` | | 
diff --git a/docs/fragments/compose/vllm.md b/docs/fragments/compose/vllm.md
index 1234a1e..0151456 100644
--- a/docs/fragments/compose/vllm.md
+++ b/docs/fragments/compose/vllm.md
@@ -17,7 +17,7 @@ The following environment variables can be configured:
 
 | Variable | Default Value | Description |
 |----------|---------------|-------------|
-| `VLLM_VERSION` | `latest` | | 
+| `VLLM_VERSION` | `v0.19.1` | | 
 | `VLLM_PORT` | `8000` | | 
 | `VLLM_MODEL` | `mistralai/Mistral-7B-v0.1` | | 
 
diff --git a/fragments/compose/arcadedb.json b/fragments/compose/arcadedb.json
index c44f731..7cc7d88 100644
--- a/fragments/compose/arcadedb.json
+++ b/fragments/compose/arcadedb.json
@@ -2,7 +2,7 @@
   "name": "arcadedb",
   "description": "Multi-model database engine (Graph, Document, Key/Value, Search)",
   "variables": {
-    "ARCADEDB_VERSION": "latest",
+    "ARCADEDB_VERSION": "26.3.2",
     "ARCADEDB_STUDIO_PORT": "2480",
     "ARCADEDB_BINARY_PORT": "2424",
     "ARCADEDB_ROOT_PASSWORD": "playwithdata"
diff --git a/fragments/compose/arcadedb.yml b/fragments/compose/arcadedb.yml
index 3024b1e..fdf3fd3 100644
--- a/fragments/compose/arcadedb.yml
+++ b/fragments/compose/arcadedb.yml
@@ -1,6 +1,6 @@
 services:
   arcadedb:
-    image: arcadedata/arcadedb:${ARCADEDB_VERSION:-latest}
+    image: arcadedata/arcadedb:${ARCADEDB_VERSION:-26.3.2}
     ports:
       - ${ARCADEDB_STUDIO_PORT:-2480}:2480
       - ${ARCADEDB_BINARY_PORT:-2424}:2424
diff --git a/fragments/compose/caddy.json b/fragments/compose/caddy.json
index 402b3b1..1be4094 100644
--- a/fragments/compose/caddy.json
+++ b/fragments/compose/caddy.json
@@ -2,7 +2,7 @@
   "name": "caddy",
   "description": "Caddy web server with automatic HTTPS",
   "variables": {
-    "CADDY_VERSION": "latest",
+    "CADDY_VERSION": "2-alpine",
     "CADDY_HTTP_PORT": "80",
     "CADDY_HTTPS_PORT": "443",
     "CADDY_HTTPS_UDP_PORT": "443"
diff --git a/fragments/compose/caddy.yml b/fragments/compose/caddy.yml
index 2accbea..432dbfb 100644
--- a/fragments/compose/caddy.yml
+++ b/fragments/compose/caddy.yml
@@ -1,6 +1,6 @@
 services:
   caddy:
-    image: caddy:${CADDY_VERSION:-latest}
+    image: caddy:${CADDY_VERSION:-2-alpine}
     ports:
       - ${CADDY_HTTP_PORT:-80}:80
       - ${CADDY_HTTPS_PORT:-443}:443
diff --git a/fragments/compose/chromadb.json b/fragments/compose/chromadb.json
index 0a3ebe4..5ce9e6e 100644
--- a/fragments/compose/chromadb.json
+++ b/fragments/compose/chromadb.json
@@ -2,7 +2,7 @@
   "name": "chromadb",
   "description": "Open-source AI application database (vector database)",
   "variables": {
-    "CHROMA_VERSION": "latest",
+    "CHROMA_VERSION": "1.5.8",
     "CHROMA_PORT": "8000",
     "CHROMA_PERSIST_DIRECTORY": "/chroma/chroma",
     "CHROMA_TELEMETRY": "FALSE"
diff --git a/fragments/compose/chromadb.yml b/fragments/compose/chromadb.yml
index eec1729..a1d68f1 100644
--- a/fragments/compose/chromadb.yml
+++ b/fragments/compose/chromadb.yml
@@ -1,6 +1,6 @@
 services:
   chromadb:
-    image: ghcr.io/chroma-core/chroma:${CHROMA_VERSION:-latest}
+    image: ghcr.io/chroma-core/chroma:${CHROMA_VERSION:-1.5.8}
     ports:
       - ${CHROMA_PORT:-8000}:8000
     environment:
diff --git a/fragments/compose/eclipse-mosquitto.json b/fragments/compose/eclipse-mosquitto.json
index af11527..f29afd4 100644
--- a/fragments/compose/eclipse-mosquitto.json
+++ b/fragments/compose/eclipse-mosquitto.json
@@ -2,7 +2,7 @@
   "name": "eclipse-mosquitto",
   "description": "Eclipse Mosquitto MQTT broker",
   "variables": {
-    "MOSQUITTO_VERSION": "latest",
+    "MOSQUITTO_VERSION": "2",
     "MOSQUITTO_MQTT_PORT": "1883",
     "MOSQUITTO_WS_PORT": "9001"
   },
diff --git a/fragments/compose/eclipse-mosquitto.yml b/fragments/compose/eclipse-mosquitto.yml
index efc3e60..30779bc 100644
--- a/fragments/compose/eclipse-mosquitto.yml
+++ b/fragments/compose/eclipse-mosquitto.yml
@@ -1,6 +1,6 @@
 services:
   eclipse-mosquitto:
-    image: eclipse-mosquitto:${MOSQUITTO_VERSION:-latest}
+    image: eclipse-mosquitto:${MOSQUITTO_VERSION:-2}
     ports:
       - ${MOSQUITTO_MQTT_PORT:-1883}:1883
       - ${MOSQUITTO_WS_PORT:-9001}:9001
diff --git a/fragments/compose/grafana.json b/fragments/compose/grafana.json
index bb410a8..c66c794 100644
--- a/fragments/compose/grafana.json
+++ b/fragments/compose/grafana.json
@@ -2,7 +2,7 @@
   "name": "grafana",
   "description": "Grafana observability and visualization platform",
   "variables": {
-    "GRAFANA_VERSION": "latest",
+    "GRAFANA_VERSION": "13.0",
     "GRAFANA_PORT": "3000",
     "GRAFANA_ADMIN_PASSWORD": "admin"
   },
diff --git a/fragments/compose/grafana.yml b/fragments/compose/grafana.yml
index 12281a2..f99d8af 100644
--- a/fragments/compose/grafana.yml
+++ b/fragments/compose/grafana.yml
@@ -1,6 +1,6 @@
 services:
   grafana:
-    image: grafana/grafana:${GRAFANA_VERSION:-latest}
+    image: grafana/grafana:${GRAFANA_VERSION:-13.0}
     ports:
       - ${GRAFANA_PORT:-3000}:3000
     environment:
diff --git a/fragments/compose/jaeger.json b/fragments/compose/jaeger.json
index 72f8098..69d344d 100644
--- a/fragments/compose/jaeger.json
+++ b/fragments/compose/jaeger.json
@@ -2,7 +2,7 @@
   "name": "jaeger",
   "description": "Jaeger distributed tracing system (all-in-one)",
   "variables": {
-    "JAEGER_VERSION": "latest",
+    "JAEGER_VERSION": "1",
     "JAEGER_UI_PORT": "16686",
     "JAEGER_OTLP_GRPC_PORT": "4317",
     "JAEGER_OTLP_HTTP_PORT": "4318"
diff --git a/fragments/compose/jaeger.yml b/fragments/compose/jaeger.yml
index 98a88ce..3e002bb 100644
--- a/fragments/compose/jaeger.yml
+++ b/fragments/compose/jaeger.yml
@@ -1,6 +1,6 @@
 services:
   jaeger:
-    image: jaegertracing/all-in-one:${JAEGER_VERSION:-latest}
+    image: jaegertracing/all-in-one:${JAEGER_VERSION:-1}
     ports:
       - ${JAEGER_UI_PORT:-16686}:16686
       - ${JAEGER_OTLP_GRPC_PORT:-4317}:4317
diff --git a/fragments/compose/nats.json b/fragments/compose/nats.json
index 3e0dba5..388de85 100644
--- a/fragments/compose/nats.json
+++ b/fragments/compose/nats.json
@@ -2,7 +2,7 @@
   "name": "nats",
   "description": "NATS message broker with JetStream enabled",
   "variables": {
-    "NATS_VERSION": "latest",
+    "NATS_VERSION": "2-alpine",
     "NATS_CLIENT_PORT": "4222",
     "NATS_MONITORING_PORT": "8222",
     "NATS_CLUSTER_PORT": "6222"
diff --git a/fragments/compose/nats.yml b/fragments/compose/nats.yml
index 91d578d..036dd13 100644
--- a/fragments/compose/nats.yml
+++ b/fragments/compose/nats.yml
@@ -1,6 +1,6 @@
 services:
   nats:
-    image: nats:${NATS_VERSION:-latest}
+    image: nats:${NATS_VERSION:-2-alpine}
     ports:
       - ${NATS_CLIENT_PORT:-4222}:4222
       - ${NATS_MONITORING_PORT:-8222}:8222
diff --git a/fragments/compose/ollama.json b/fragments/compose/ollama.json
index 70708f0..fe13936 100644
--- a/fragments/compose/ollama.json
+++ b/fragments/compose/ollama.json
@@ -2,7 +2,7 @@
   "name": "ollama",
   "description": "Get up and running with large language models.",
   "variables": {
-    "OLLAMA_VERSION": "latest",
+    "OLLAMA_VERSION": "0.21.0",
     "OLLAMA_PORT": "11434",
     "OLLAMA_KEEP_ALIVE": "5m",
     "OLLAMA_FLASH_ATTENTION": "1",
diff --git a/fragments/compose/ollama.yml b/fragments/compose/ollama.yml
index 2bcb64b..ab85596 100644
--- a/fragments/compose/ollama.yml
+++ b/fragments/compose/ollama.yml
@@ -1,6 +1,6 @@
 services:
   ollama:
-    image: ollama/ollama:${OLLAMA_VERSION:-latest}
+    image: ollama/ollama:${OLLAMA_VERSION:-0.21.0}
     ports:
       - "${OLLAMA_PORT:-11434}:11434"
     environment:
diff --git a/fragments/compose/otel-collector.json b/fragments/compose/otel-collector.json
index 355b7a6..beeca06 100644
--- a/fragments/compose/otel-collector.json
+++ b/fragments/compose/otel-collector.json
@@ -2,7 +2,7 @@
   "name": "otel-collector",
   "description": "OpenTelemetry Collector Contrib",
   "variables": {
-    "OTEL_VERSION": "latest",
+    "OTEL_VERSION": "0.150.1",
     "OTEL_RECEIVER_GRPC_PORT": "4317",
     "OTEL_RECEIVER_HTTP_PORT": "4318",
     "OTEL_METRICS_PORT": "8888",
diff --git a/fragments/compose/otel-collector.yml b/fragments/compose/otel-collector.yml
index bb64d88..d54c130 100644
--- a/fragments/compose/otel-collector.yml
+++ b/fragments/compose/otel-collector.yml
@@ -1,6 +1,6 @@
 services:
   otel-collector:
-    image: otel/opentelemetry-collector-contrib:${OTEL_VERSION:-latest}
+    image: otel/opentelemetry-collector-contrib:${OTEL_VERSION:-0.150.1}
     command: ["--config=/etc/otelcol-contrib/config.yaml"]
     volumes:
       - ./config/otel-collector-config.yaml:/etc/otelcol-contrib/config.yaml
diff --git a/fragments/compose/traefik.json b/fragments/compose/traefik.json
index a87a922..83ac78a 100644
--- a/fragments/compose/traefik.json
+++ b/fragments/compose/traefik.json
@@ -2,7 +2,7 @@
   "name": "traefik",
   "description": "Traefik modern reverse proxy and load balancer",
   "variables": {
-    "TRAEFIK_VERSION": "v3.3",
+    "TRAEFIK_VERSION": "v3",
     "TRAEFIK_HTTP_PORT": "80",
     "TRAEFIK_HTTPS_PORT": "443",
     "TRAEFIK_DASHBOARD_PORT": "8080"
diff --git a/fragments/compose/traefik.yml b/fragments/compose/traefik.yml
index bf87603..bb1098a 100644
--- a/fragments/compose/traefik.yml
+++ b/fragments/compose/traefik.yml
@@ -1,6 +1,6 @@
 services:
   traefik:
-    image: traefik:${TRAEFIK_VERSION:-v3.3}
+    image: traefik:${TRAEFIK_VERSION:-v3}
     ports:
       - ${TRAEFIK_HTTP_PORT:-80}:80
       - ${TRAEFIK_HTTPS_PORT:-443}:443
diff --git a/fragments/compose/vllm.json b/fragments/compose/vllm.json
index 00d8d41..a8138f0 100644
--- a/fragments/compose/vllm.json
+++ b/fragments/compose/vllm.json
@@ -2,7 +2,7 @@
   "name": "vllm",
   "description": "High-throughput and memory-efficient LLM inference and serving engine.",
   "variables": {
-    "VLLM_VERSION": "latest",
+    "VLLM_VERSION": "v0.19.1",
     "VLLM_PORT": "8000",
     "VLLM_MODEL": "mistralai/Mistral-7B-v0.1"
   },
diff --git a/fragments/compose/vllm.yml b/fragments/compose/vllm.yml
index 8f64398..63d2185 100644
--- a/fragments/compose/vllm.yml
+++ b/fragments/compose/vllm.yml
@@ -1,6 +1,6 @@
 services:
   vllm:
-    image: vllm/vllm-openai:${VLLM_VERSION:-latest}
+    image: vllm/vllm-openai:${VLLM_VERSION:-v0.19.1}
     command: --model ${VLLM_MODEL:-mistralai/Mistral-7B-v0.1} --host 0.0.0.0 --port 8000
     ports:
       - "${VLLM_PORT:-8000}:8000"