automatically set GOMEMLIMIT env variable

Signed-off-by: Pascal Sthamer <pascal+github@sthamer.xyz>

functions/kubernetes/charts/shuffle/templates/shuffle-app/_helpers.tpl

@@ -123,12 +123,13 @@ Return the environment variables of shuffle apps in the format
 KEY: VALUE
 Usage:
 {{- include "shuffle.appInstance.env" (dict "app" $appValues "context" $) -}}
+
+WARNING: Do NOT add environment variables here that would conflict with shuffle.worker.env or shuffle.orborus.env.
+Worker also sets all env variables that are defined here, because they will be passed down to apps when worker.manageAppDeployments is set.
+Instead, add them directly to the deployment template (shuffle-apps.yaml).
 */}}
 {{- define "shuffle.appInstance.env" -}}
 SHUFFLE_APP_SDK_TIMEOUT: {{ .app.sdkTimeout | quote }}
 SHUFFLE_APP_EXPOSED_PORT: {{ .app.exposedContainerPort | quote }}
 SHUFFLE_LOGS_DISABLED: {{ .app.disableLogs | quote }}
-{{- if .app.debug }}
-DEBUG: "true"
-{{- end }}
 {{- end -}}

functions/kubernetes/charts/shuffle/templates/shuffle-app/shuffle-apps.yaml

@@ -168,6 +168,10 @@ spec:
               value: {{ include "shuffle.backend.baseUrl" $ | quote }}
             - name: SHUFFLE_SWARM_CONFIG
               value: run # Shuffle Worker requires this to be set even when using K8s instead of swarm
+            {{- if $appValues.debug }}
+            - name: DEBUG
+              value: "true"
+            {{- end }}
             {{- $env := include "shuffle.appInstance.env" (dict "app" $appValues "context" $) | fromYaml }}
             {{- range $key, $val := $env }}
             - name: {{ $key | quote }}