From 12ea561221f5876c4f79bfc98169b131006fb35d Mon Sep 17 00:00:00 2001 From: Thomas Laubrock Date: Fri, 8 Sep 2023 07:59:34 +0200 Subject: [PATCH] adopt netxcloud.containerport in FPM deployment, allow rootless nginx - nd2 try (#444) * adopt netxcloud.containerport in FMP deplyemnt, allow rootless nginx is netxcloud.containerport is set, it will also configure the port for nginx. This allows nginx running in a rootless container e.g. by using their official `nginxinc/nginx-unprivileged` image. pid is written to /tmp for that reason. Some enhanced configs parameter for service. Signed-off-by: poggenpower * move to nginx.containerPort Signed-off-by: poggenpower * Hopefully final fixes Signed-off-by: poggenpower --------- Signed-off-by: poggenpower --- charts/nextcloud/Chart.yaml | 2 +- charts/nextcloud/README.md | 228 ++++++++++--------- charts/nextcloud/templates/nginx-config.yaml | 34 +-- charts/nextcloud/templates/service.yaml | 7 + charts/nextcloud/values.yaml | 1 + 5 files changed, 144 insertions(+), 128 deletions(-) diff --git a/charts/nextcloud/Chart.yaml b/charts/nextcloud/Chart.yaml index d3934a37..899c2b12 100644 --- a/charts/nextcloud/Chart.yaml +++ b/charts/nextcloud/Chart.yaml @@ -1,6 +1,6 @@ apiVersion: v2 name: nextcloud -version: 4.2.1 +version: 4.3.0 appVersion: 27.0.2 description: A file sharing server that puts the control and security of your own data back into your hands. keywords: diff --git a/charts/nextcloud/README.md b/charts/nextcloud/README.md index 5c48c72f..4dfdb9cc 100644 --- a/charts/nextcloud/README.md +++ b/charts/nextcloud/README.md @@ -80,118 +80,122 @@ The command removes all the Kubernetes components associated with the chart and The following table lists the configurable parameters of the nextcloud chart and their default values. -| Parameter | Description | Default | -|------------------------------------------------------------|----------------------------------------------------------------------------------------|----------------------------| -| `image.repository` | nextcloud Image name | `nextcloud` | -| `image.flavor` | nextcloud Image type (Options: apache, fpm) | `apache` | -| `image.tag` | nextcloud Image tag | `appVersion` | -| `image.pullPolicy` | Image pull policy | `IfNotPresent` | -| `image.pullSecrets` | Specify image pull secrets | `nil` | -| `replicaCount` | Number of nextcloud pods to deploy | `1` | -| `ingress.className` | Name of the ingress class to use | `nil` | -| `ingress.enabled` | Enable use of ingress controllers | `false` | -| `ingress.servicePort` | Ingress' backend servicePort | `http` | -| `ingress.annotations` | An array of service annotations | `nil` | -| `ingress.labels` | An array of service labels | `nil` | -| `ingress.path` | The `Path` to use in Ingress' `paths` | `/` | -| `ingress.pathType` | The `PathType` to use in Ingress' `paths` | `Prefix` | -| `ingress.tls` | Ingress TLS configuration | `[]` | -| `nextcloud.host` | nextcloud host to create application URLs | `nextcloud.kube.home` | -| `nextcloud.username` | User of the application | `admin` | -| `nextcloud.password` | Application password | `changeme` | -| `nextcloud.existingSecret.enabled` | Whether to use an existing secret or not | `false` | -| `nextcloud.existingSecret.secretName` | Name of the existing secret | `nil` | -| `nextcloud.existingSecret.usernameKey` | Name of the key that contains the username | `nil` | -| `nextcloud.existingSecret.passwordKey` | Name of the key that contains the password | `nil` | -| `nextcloud.existingSecret.smtpUsernameKey` | Name of the key that contains the SMTP username | `nil` | -| `nextcloud.existingSecret.smtpPasswordKey` | Name of the key that contains the SMTP password | `nil` | -| `nextcloud.existingSecret.smtpHostKey` | Name of the key that contains the SMTP hostname | `nil` | -| `nextcloud.update` | Trigger update if custom command is used | `0` | -| `nextcloud.containerPort` | Customize container port when not running as root | `80` | -| `nextcloud.datadir` | nextcloud data dir location | `/var/www/html/data` | -| `nextcloud.mail.enabled` | Whether to enable/disable email settings | `false` | -| `nextcloud.mail.fromAddress` | nextcloud mail send from field | `nil` | -| `nextcloud.mail.domain` | nextcloud mail domain | `nil` | -| `nextcloud.mail.smtp.host` | SMTP hostname | `nil` | -| `nextcloud.mail.smtp.secure` | SMTP connection `ssl` or empty | `''` | -| `nextcloud.mail.smtp.port` | Optional SMTP port | `nil` | -| `nextcloud.mail.smtp.authtype` | SMTP authentication method | `LOGIN` | -| `nextcloud.mail.smtp.name` | SMTP username | `''` | -| `nextcloud.mail.smtp.password` | SMTP password | `''` | -| `nextcloud.configs` | Config files created in `/var/www/html/config` | `{}` | -| `nextcloud.persistence.subPath` | Set the subPath for nextcloud to use in volume | `nil` | -| `nextcloud.phpConfigs` | PHP Config files created in `/usr/local/etc/php/conf.d` | `{}` | -| `nextcloud.defaultConfigs.\.htaccess` | Default .htaccess to protect `/var/www/html/config` | `true` | -| `nextcloud.defaultConfigs.redis\.config\.php` | Default Redis configuration | `true` | -| `nextcloud.defaultConfigs.apache-pretty-urls\.config\.php` | Default Apache configuration for rewrite urls | `true` | -| `nextcloud.defaultConfigs.apcu\.config\.php` | Default configuration to define APCu as local cache | `true` | -| `nextcloud.defaultConfigs.apps\.config\.php` | Default configuration for apps | `true` | -| `nextcloud.defaultConfigs.autoconfig\.php` | Default auto-configuration for databases | `true` | -| `nextcloud.defaultConfigs.smtp\.config\.php` | Default configuration for smtp | `true` | -| `nextcloud.strategy` | specifies the strategy used to replace old Pods by new ones | `type: Recreate` | -| `nextcloud.extraEnv` | specify additional environment variables | `{}` | -| `nextcloud.extraSidecarContainers` | specify additional sidecar containers | `[]` | -| `nextcloud.extraInitContainers` | specify additional init containers | `[]` | -| `nextcloud.extraVolumes` | specify additional volumes for the NextCloud pod | `{}` | -| `nextcloud.extraVolumeMounts` | specify additional volume mounts for the NextCloud pod | `{}` | -| `nextcloud.securityContext` | Optional security context for the NextCloud container | `nil` | -| `nextcloud.podSecurityContext` | Optional security context for the NextCloud pod (applies to all containers in the pod) | `nil` | -| `nginx.enabled` | Enable nginx (requires you use php-fpm image) | `false` | -| `nginx.image.repository` | nginx Image name | `nginx` | -| `nginx.image.tag` | nginx Image tag | `alpine` | -| `nginx.image.pullPolicy` | nginx Image pull policy | `IfNotPresent` | -| `nginx.config.default` | Whether to use nextcloud's recommended nginx config | `true` | -| `nginx.config.custom` | Specify a custom config for nginx | `{}` | -| `nginx.resources` | nginx resources | `{}` | -| `nginx.securityContext` | Optional security context for the nginx container | `nil` | -| `lifecycle.postStartCommand` | Specify deployment lifecycle hook postStartCommand | `nil` | -| `lifecycle.preStopCommand` | Specify deployment lifecycle hook preStopCommand | `nil` | -| `redis.enabled` | Whether to install/use redis for locking | `false` | -| `redis.auth.enabled` | Whether to enable password authentication with redis | `true` | -| `redis.auth.password` | The password redis uses | `''` | -| `redis.auth.existingSecret` | The name of an existing secret with Redis® credentials | `''` | -| `redis.auth.existingSecretPasswordKey` | Password key to be retrieved from existing secret | `''` | -| `cronjob.enabled` | Whether to enable/disable cron jobs sidecar | `false` | -| `cronjob.lifecycle.postStartCommand` | Specify deployment lifecycle hook postStartCommand for the cron jobs sidecar | `nil` | -| `cronjob.lifecycle.preStopCommand` | Specify deployment lifecycle hook preStopCommand for the cron jobs sidecar | `nil` | -| `cronjob.resources` | CPU/Memory resource requests/limits for the cron jobs sidecar | `{}` | -| `cronjob.securityContext` | Optional security context for cron jobs sidecar | `nil` | -| `service.type` | Kubernetes Service type | `ClusterIP` | -| `service.loadBalancerIP` | LoadBalancerIp for service type LoadBalancer | `""` | -| `service.nodePort` | NodePort for service type NodePort | `nil` | -| `phpClientHttpsFix.enabled` | Sets OVERWRITEPROTOCOL for https ingress redirect | `false` | -| `phpClientHttpsFix.protocol` | Sets OVERWRITEPROTOCOL for https ingress redirect | `https` | -| `resources` | CPU/Memory resource requests/limits | `{}` | -| `rbac.enabled` | Enable Role and rolebinding for priveledged PSP | `false` | -| `rbac.serviceaccount.create` | Wether to create a serviceaccount or use an existing one (requires rbac) | `true` | -| `rbac.serviceaccount.name` | The name of the sevice account that the deployment will use (requires rbac) | `nextcloud-serviceaccount` | -| `rbac.serviceaccount.annotations` | Serviceaccount annotations | `{}` | -| `livenessProbe.enabled` | Turn on and off liveness probe | `true` | -| `livenessProbe.initialDelaySeconds` | Delay before liveness probe is initiated | `10` | -| `livenessProbe.periodSeconds` | How often to perform the probe | `10` | -| `livenessProbe.timeoutSeconds` | When the probe times out | `5` | -| `livenessProbe.failureThreshold` | Minimum consecutive failures for the probe | `3` | -| `livenessProbe.successThreshold` | Minimum consecutive successes for the probe | `1` | -| `readinessProbe.enabled` | Turn on and off readiness probe | `true` | -| `readinessProbe.initialDelaySeconds` | Delay before readiness probe is initiated | `10` | -| `readinessProbe.periodSeconds` | How often to perform the probe | `10` | -| `readinessProbe.timeoutSeconds` | When the probe times out | `5` | -| `readinessProbe.failureThreshold` | Minimum consecutive failures for the probe | `3` | -| `readinessProbe.successThreshold` | Minimum consecutive successes for the probe | `1` | -| `startupProbe.enabled` | Turn on and off startup probe | `false` | -| `startupProbe.initialDelaySeconds` | Delay before readiness probe is initiated | `30` | -| `startupProbe.periodSeconds` | How often to perform the probe | `10` | -| `startupProbe.timeoutSeconds` | When the probe times out | `5` | -| `startupProbe.failureThreshold` | Minimum consecutive failures for the probe | `30` | -| `startupProbe.successThreshold` | Minimum consecutive successes for the probe | `1` | -| `hpa.enabled` | Boolean to create a HorizontalPodAutoscaler | `false` | -| `hpa.cputhreshold` | CPU threshold percent for the HorizontalPodAutoscale | `60` | -| `hpa.minPods` | Min. pods for the Nextcloud HorizontalPodAutoscaler | `1` | -| `hpa.maxPods` | Max. pods for the Nextcloud HorizontalPodAutoscaler | `10` | -| `deploymentLabels` | Labels to be added at 'deployment' level | not set | -| `deploymentAnnotations` | Annotations to be added at 'deployment' level | not set | -| `podLabels` | Labels to be added at 'pod' level | not set | -| `podAnnotations` | Annotations to be added at 'pod' level | not set | +| Parameter | Description | Default | +|------------------------------------------------------------|----------------------------------------------------------------------------------------------|----------------------------| +| `image.repository` | nextcloud Image name | `nextcloud` | +| `image.flavor` | nextcloud Image type (Options: apache, fpm) | `apache` | +| `image.tag` | nextcloud Image tag | `appVersion` | +| `image.pullPolicy` | Image pull policy | `IfNotPresent` | +| `image.pullSecrets` | Specify image pull secrets | `nil` | +| `replicaCount` | Number of nextcloud pods to deploy | `1` | +| `ingress.className` | Name of the ingress class to use | `nil` | +| `ingress.enabled` | Enable use of ingress controllers | `false` | +| `ingress.servicePort` | Ingress' backend servicePort | `http` | +| `ingress.annotations` | An array of service annotations | `nil` | +| `ingress.labels` | An array of service labels | `nil` | +| `ingress.path` | The `Path` to use in Ingress' `paths` | `/` | +| `ingress.pathType` | The `PathType` to use in Ingress' `paths` | `Prefix` | +| `ingress.tls` | Ingress TLS configuration | `[]` | +| `nextcloud.host` | nextcloud host to create application URLs, updates trusted_domains at installation time only | `nextcloud.kube.home` | +| `nextcloud.username` | User of the application | `admin` | +| `nextcloud.password` | Application password | `changeme` | +| `nextcloud.existingSecret.enabled` | Whether to use an existing secret or not | `false` | +| `nextcloud.existingSecret.secretName` | Name of the existing secret | `nil` | +| `nextcloud.existingSecret.usernameKey` | Name of the key that contains the username | `nil` | +| `nextcloud.existingSecret.passwordKey` | Name of the key that contains the password | `nil` | +| `nextcloud.existingSecret.smtpUsernameKey` | Name of the key that contains the SMTP username | `nil` | +| `nextcloud.existingSecret.smtpPasswordKey` | Name of the key that contains the SMTP password | `nil` | +| `nextcloud.existingSecret.smtpHostKey` | Name of the key that contains the SMTP hostname | `nil` | +| `nextcloud.update` | Trigger update if custom command is used | `0` | +| `nextcloud.containerPort` | Customize container port when not running as root | `80` | +| `nextcloud.datadir` | nextcloud data dir location | `/var/www/html/data` | +| `nextcloud.mail.enabled` | Whether to enable/disable email settings | `false` | +| `nextcloud.mail.fromAddress` | nextcloud mail send from field | `nil` | +| `nextcloud.mail.domain` | nextcloud mail domain | `nil` | +| `nextcloud.mail.smtp.host` | SMTP hostname | `nil` | +| `nextcloud.mail.smtp.secure` | SMTP connection `ssl` or empty | `''` | +| `nextcloud.mail.smtp.port` | Optional SMTP port | `nil` | +| `nextcloud.mail.smtp.authtype` | SMTP authentication method | `LOGIN` | +| `nextcloud.mail.smtp.name` | SMTP username | `''` | +| `nextcloud.mail.smtp.password` | SMTP password | `''` | +| `nextcloud.configs` | Config files created in `/var/www/html/config` | `{}` | +| `nextcloud.persistence.subPath` | Set the subPath for nextcloud to use in volume | `nil` | +| `nextcloud.phpConfigs` | PHP Config files created in `/usr/local/etc/php/conf.d` | `{}` | +| `nextcloud.defaultConfigs.\.htaccess` | Default .htaccess to protect `/var/www/html/config` | `true` | +| `nextcloud.defaultConfigs.redis\.config\.php` | Default Redis configuration | `true` | +| `nextcloud.defaultConfigs.apache-pretty-urls\.config\.php` | Default Apache configuration for rewrite urls | `true` | +| `nextcloud.defaultConfigs.apcu\.config\.php` | Default configuration to define APCu as local cache | `true` | +| `nextcloud.defaultConfigs.apps\.config\.php` | Default configuration for apps | `true` | +| `nextcloud.defaultConfigs.autoconfig\.php` | Default auto-configuration for databases | `true` | +| `nextcloud.defaultConfigs.smtp\.config\.php` | Default configuration for smtp | `true` | +| `nextcloud.strategy` | specifies the strategy used to replace old Pods by new ones | `type: Recreate` | +| `nextcloud.extraEnv` | specify additional environment variables | `{}` | +| `nextcloud.extraSidecarContainers` | specify additional sidecar containers | `[]` | +| `nextcloud.extraInitContainers` | specify additional init containers | `[]` | +| `nextcloud.extraVolumes` | specify additional volumes for the NextCloud pod | `{}` | +| `nextcloud.extraVolumeMounts` | specify additional volume mounts for the NextCloud pod | `{}` | +| `nextcloud.securityContext` | Optional security context for the NextCloud container | `nil` | +| `nextcloud.podSecurityContext` | Optional security context for the NextCloud pod (applies to all containers in the pod) | `nil` | +| `nginx.enabled` | Enable nginx (requires you use php-fpm image) | `false` | +| `nginx.image.repository` | nginx Image name, e.g. use `nginxinc/nginx-unprivileged` for rootless container | `nginx` | +| `nginx.image.tag` | nginx Image tag | `alpine` | +| `nginx.image.pullPolicy` | nginx Image pull policy | `IfNotPresent` | +| `nginx.image.pullPolicy` | nginx Image pull policy | `IfNotPresent` | +| `nginx.containerPort` | Customize container port e.g. when not running as root | `IfNotPresent` | +| `nginx.config.default` | Whether to use nextcloud's recommended nginx config | `true` | +| `nginx.config.custom` | Specify a custom config for nginx | `{}` | +| `nginx.resources` | nginx resources | `{}` | +| `nginx.securityContext` | Optional security context for the nginx container | `nil` | +| `lifecycle.postStartCommand` | Specify deployment lifecycle hook postStartCommand | `nil` | +| `lifecycle.preStopCommand` | Specify deployment lifecycle hook preStopCommand | `nil` | +| `redis.enabled` | Whether to install/use redis for locking | `false` | +| `redis.auth.enabled` | Whether to enable password authentication with redis | `true` | +| `redis.auth.password` | The password redis uses | `''` | +| `redis.auth.existingSecret` | The name of an existing secret with Redis® credentials | `''` | +| `redis.auth.existingSecretPasswordKey` | Password key to be retrieved from existing secret | `''` | +| `cronjob.enabled` | Whether to enable/disable cron jobs sidecar | `false` | +| `cronjob.lifecycle.postStartCommand` | Specify deployment lifecycle hook postStartCommand for the cron jobs sidecar | `nil` | +| `cronjob.lifecycle.preStopCommand` | Specify deployment lifecycle hook preStopCommand for the cron jobs sidecar | `nil` | +| `cronjob.resources` | CPU/Memory resource requests/limits for the cron jobs sidecar | `{}` | +| `cronjob.securityContext` | Optional security context for cron jobs sidecar | `nil` | +| `service.type` | Kubernetes Service type | `ClusterIP` | +| `service.loadBalancerIP` | LoadBalancerIp for service type LoadBalancer | `""` | +| `service.nodePort` | NodePort for service type NodePort | `nil` | +| `service.ipFamilies` | Set ipFamilies as in k8s service objects | `nil` | +| `service.ipFamyPolicy` | define IP protocol bindings as in k8s service objects | `nil` | +| `phpClientHttpsFix.enabled` | Sets OVERWRITEPROTOCOL for https ingress redirect | `false` | +| `phpClientHttpsFix.protocol` | Sets OVERWRITEPROTOCOL for https ingress redirect | `https` | +| `resources` | CPU/Memory resource requests/limits | `{}` | +| `rbac.enabled` | Enable Role and rolebinding for priveledged PSP | `false` | +| `rbac.serviceaccount.create` | Wether to create a serviceaccount or use an existing one (requires rbac) | `true` | +| `rbac.serviceaccount.name` | The name of the sevice account that the deployment will use (requires rbac) | `nextcloud-serviceaccount` | +| `rbac.serviceaccount.annotations` | Serviceaccount annotations | `{}` | +| `livenessProbe.enabled` | Turn on and off liveness probe | `true` | +| `livenessProbe.initialDelaySeconds` | Delay before liveness probe is initiated | `10` | +| `livenessProbe.periodSeconds` | How often to perform the probe | `10` | +| `livenessProbe.timeoutSeconds` | When the probe times out | `5` | +| `livenessProbe.failureThreshold` | Minimum consecutive failures for the probe | `3` | +| `livenessProbe.successThreshold` | Minimum consecutive successes for the probe | `1` | +| `readinessProbe.enabled` | Turn on and off readiness probe | `true` | +| `readinessProbe.initialDelaySeconds` | Delay before readiness probe is initiated | `10` | +| `readinessProbe.periodSeconds` | How often to perform the probe | `10` | +| `readinessProbe.timeoutSeconds` | When the probe times out | `5` | +| `readinessProbe.failureThreshold` | Minimum consecutive failures for the probe | `3` | +| `readinessProbe.successThreshold` | Minimum consecutive successes for the probe | `1` | +| `startupProbe.enabled` | Turn on and off startup probe | `false` | +| `startupProbe.initialDelaySeconds` | Delay before readiness probe is initiated | `30` | +| `startupProbe.periodSeconds` | How often to perform the probe | `10` | +| `startupProbe.timeoutSeconds` | When the probe times out | `5` | +| `startupProbe.failureThreshold` | Minimum consecutive failures for the probe | `30` | +| `startupProbe.successThreshold` | Minimum consecutive successes for the probe | `1` | +| `hpa.enabled` | Boolean to create a HorizontalPodAutoscaler | `false` | +| `hpa.cputhreshold` | CPU threshold percent for the HorizontalPodAutoscale | `60` | +| `hpa.minPods` | Min. pods for the Nextcloud HorizontalPodAutoscaler | `1` | +| `hpa.maxPods` | Max. pods for the Nextcloud HorizontalPodAutoscaler | `10` | +| `deploymentLabels` | Labels to be added at 'deployment' level | not set | +| `deploymentAnnotations` | Annotations to be added at 'deployment' level | not set | +| `podLabels` | Labels to be added at 'pod' level | not set | +| `podAnnotations` | Annotations to be added at 'pod' level | not set | ### Database Configurations diff --git a/charts/nextcloud/templates/nginx-config.yaml b/charts/nextcloud/templates/nginx-config.yaml index 73dc62ac..973aadeb 100644 --- a/charts/nextcloud/templates/nginx-config.yaml +++ b/charts/nextcloud/templates/nginx-config.yaml @@ -1,20 +1,8 @@ -{{- if .Values.nginx.enabled -}} -apiVersion: v1 -kind: ConfigMap -metadata: - name: {{ template "nextcloud.fullname" . }}-nginxconfig - labels: - app.kubernetes.io/name: {{ include "nextcloud.name" . }} - helm.sh/chart: {{ include "nextcloud.chart" . }} - app.kubernetes.io/instance: {{ .Release.Name }} - app.kubernetes.io/managed-by: {{ .Release.Service }} -data: - nginx.conf: |- -{{- if .Values.nginx.config.default }} +{{- define "nginx.conf" }} worker_processes auto; error_log /var/log/nginx/error.log warn; - pid /var/run/nginx.pid; + pid /tmp/nginx.pid; events { @@ -44,7 +32,7 @@ data: } server { - listen 80; + listen {{ .Values.nginx.containerPort | default "80" }}; # HSTS settings # WARNING: Only add the preload option once you read about @@ -172,6 +160,22 @@ data: } } } +{{- end }} + +{{- if .Values.nginx.enabled -}} +apiVersion: v1 +kind: ConfigMap +metadata: + name: {{ template "nextcloud.fullname" . }}-nginxconfig + labels: + app.kubernetes.io/name: {{ include "nextcloud.name" . }} + helm.sh/chart: {{ include "nextcloud.chart" . }} + app.kubernetes.io/instance: {{ .Release.Name }} + app.kubernetes.io/managed-by: {{ .Release.Service }} +data: + nginx.conf: |- +{{- if .Values.nginx.config.default }} + {{- template "nginx.conf" $ }} {{- else }} {{ .Values.nginx.config.custom | indent 4 }} {{- end }} diff --git a/charts/nextcloud/templates/service.yaml b/charts/nextcloud/templates/service.yaml index 78057be6..eb9fcd39 100644 --- a/charts/nextcloud/templates/service.yaml +++ b/charts/nextcloud/templates/service.yaml @@ -13,6 +13,13 @@ spec: {{- if and (eq .Values.service.type "LoadBalancer") .Values.service.loadBalancerIP }} loadBalancerIP: {{ default "" .Values.service.loadBalancerIP }} {{- end }} + {{- if .Values.service.ipFamilies }} + ipFamilies: + {{- toYaml .Values.service.ipFamilies | nindent 4 }} + {{- end }} + {{- if .Values.service.ipFamilyPolicy }} + ipFamilyPolicy: {{ .Values.service.ipFamilyPolicy }} + {{- end }} ports: - port: {{ .Values.service.port }} targetPort: {{ .Values.nextcloud.containerPort }} diff --git a/charts/nextcloud/values.yaml b/charts/nextcloud/values.yaml index f5364307..4d4d93c4 100644 --- a/charts/nextcloud/values.yaml +++ b/charts/nextcloud/values.yaml @@ -214,6 +214,7 @@ nginx: repository: nginx tag: alpine pullPolicy: IfNotPresent + containerPort: 80 config: # This generates the default nginx config as per the nextcloud documentation