Support env var overrides instead of manual script editing

- Modified deploy-helm.sh to use ${VAR:-default} pattern
- Users can now override versions via environment variables
- Updated docs to recommend env vars instead of script editing
- Addresses feedback about manual script modification

Co-authored-by: phrocker <[email protected]>

Author: Copilot

docs/version-management.md

@@ -96,13 +96,16 @@ If you get "image not found" errors:
 
 ### Want to use specific versions locally
 
-If you need specific versions for local testing, you can manually override:
+If you need specific versions for local testing, you can override via environment variables:
 ```bash
-# In deploy-helm.sh, temporarily set:
-SENTRIUS_VERSION="1.2.3"
+# Override a single service version
+SENTRIUS_VERSION="1.2.3" ./ops-scripts/local/deploy-helm.sh
+
+# Override multiple service versions
+SENTRIUS_VERSION="1.2.3" SENTRIUS_SSH_VERSION="1.1.5" ./ops-scripts/local/deploy-helm.sh
 ```
 
-Or pass it to helm directly:
+Or pass it directly to helm:
 ```bash
 helm upgrade --install sentrius ./sentrius-chart \
   --set sentrius.image.tag=1.2.3 \

ops-scripts/local/deploy-helm.sh

@@ -6,16 +6,17 @@ source ${SCRIPT_DIR}/base.sh
 source ${SCRIPT_DIR}/../base/base.sh
 
 # For local deployments, use 'latest' tag instead of versioned tags
-SENTRIUS_VERSION="latest"
-SENTRIUS_SSH_VERSION="latest"
-SENTRIUS_KEYCLOAK_VERSION="latest"
-SENTRIUS_AGENT_VERSION="latest"
-SENTRIUS_AI_AGENT_VERSION="latest"
-LLMPROXY_VERSION="latest"
-LAUNCHER_VERSION="latest"
-AGENTPROXY_VERSION="latest"
-SSHPROXY_VERSION="latest"
-RDPPROXY_VERSION="latest"
+# These can be overridden via environment variables if needed
+SENTRIUS_VERSION="${SENTRIUS_VERSION:-latest}"
+SENTRIUS_SSH_VERSION="${SENTRIUS_SSH_VERSION:-latest}"
+SENTRIUS_KEYCLOAK_VERSION="${SENTRIUS_KEYCLOAK_VERSION:-latest}"
+SENTRIUS_AGENT_VERSION="${SENTRIUS_AGENT_VERSION:-latest}"
+SENTRIUS_AI_AGENT_VERSION="${SENTRIUS_AI_AGENT_VERSION:-latest}"
+LLMPROXY_VERSION="${LLMPROXY_VERSION:-latest}"
+LAUNCHER_VERSION="${LAUNCHER_VERSION:-latest}"
+AGENTPROXY_VERSION="${AGENTPROXY_VERSION:-latest}"
+SSHPROXY_VERSION="${SSHPROXY_VERSION:-latest}"
+RDPPROXY_VERSION="${RDPPROXY_VERSION:-latest}"
 
 CERT_DIR="${SCRIPT_DIR}/../../docker/dev-certs"
 CERT_FILE="${CERT_DIR}/sentrius-ca.crt"