Environment Variable Reference
Commons to all applications
Set by the deployment process
These are read-only variables that are generated for each scaler before they build and start your application.
| INSTANCE_NUMBER | Allows your application to differentiate each running node on the application level. | 0, 1… |
| INSTANCE_TYPE | Whether this instance is a “build” instance or a “production” instance. | build, production |
| INSTANCE_ID | The ID of the current instance (scaler) of your application. It’s unique for each instance of your application and changes every time you deploy it. | 518c8d8f-e304-4310-81e0-9c4237d55645 |
| CC_PRETTY_INSTANCE_NAME | The random generated string as instance pretty name using pokemon names. | Tiny rhyhorn |
| APP_ID | The ID of your Clever Cloud application | app_649a93d1-6677-44bc-aca7-6f46107d6e02 |
| APP_HOME | The absolute path to your application folder | /home/bas/app_649a93d1-6677-44bc-aca7-6f46107d6e02 |
| CC_DEPLOYMENT_ID | Internal id of current deployment | f7efaf04-1a63-45a1-8503-0de7c750ee48 |
| COMMIT_ID | The id of the commit that’s currently running | d88cd2ae1aaa91923ed2bd689d95d713b6f3f45f |
| CC_REVERSE_PROXY_IPS | A comma separated list of trusted IP addresses. You should only accept requests coming from these IP addresses. | x.y.z.z,x.y.z.z |
| ELASTIC_APM_SERVICE_NAME | Sets the name of your service/application in Elastic APM. Automatically defined when you have linked an Elastic APM service to your application. You can override it by defining it yourself | Your application’s name conforming to Elastic APM naming convention |
| CC_APP_NAME | The customer defined application name | cloud-api-production |
Variables you can define
So you can alter the build&start process for your application.
| APP_FOLDER | Folder in which the application is located (inside the git repository) | |
| CC_TROUBLESHOOT | Enable debug log level, will also keep the VM up after failure for 15 minutes so you can SSH and debug. Don’t forget to cancel deployment if you push a new commit. | false |
| CC_WORKER_COMMAND | Command to run in background as a worker process. You can run multiple workers. | |
| CC_WORKER_RESTART | One of always, on-failure or no. Control whether workers need to be restarted when they exit.This setting controls all workers. | on-failure |
| CC_WORKER_RESTART_DELAY | Define a delay in seconds to restart the worker when they exit. | 1 |
| CC_PRE_BUILD_HOOK | Ran before the dependencies are fetched. If it fails, the deployment fails. | |
| CC_POST_BUILD_HOOK | Ran after the project is built, and before the cache archive is generated. If it fails, the deployment fails. | |
| CC_PRE_RUN_HOOK | Ran before the application is started, but after the cache archive has been generated. If it fails, the deployment fails. | |
| CC_RUN_SUCCEEDED_HOOK | Ran once the application has started successfuly. | |
| CC_RUN_FAILED_HOOK | Ran once the application has failed to start. | |
| CC_RUN_COMMAND | Custom command to run your application. | |
| CC_TASK | If set as true, the deployer runs CC_RUN_COMMAND and close the instance after havind run the task. Trigger an execution using git push or starting your instance | false |
| CC_CACHE_DEPENDENCIES | Enable caching of your build dependencies to speed up following builds. | false |
| CC_SSH_PRIVATE_KEY | A ssh private key to setup for the user running your application | |
| CC_SSH_PRIVATE_KEY_FILE | The name to use for the file containing the private ssh key | id_ed25519 |
| CC_DISABLE_METRICS | Disable metrics collection. | false |
| IGNORE_FROM_BUILDCACHE | Allows to specify paths to ignore when the build cache archive is created. | |
| CC_OVERRIDE_BUILDCACHE | Allows to specify paths that will be in the build cache. Only those files / directories will be cached | |
| CC_METRICS_PROMETHEUS_PORT | Define the port on which the Prometheus endpoint is available | 8080 |
| CC_METRICS_PROMETHEUS_PATH | Define the path on which the Prometheus endpoint is available | /metrics |
| CC_METRICS_PROMETHEUS_USER | Define the user for the basic auth of the Prometheus endpoint | |
| CC_METRICS_PROMETHEUS_PASSWORD | Define the password for the basic auth of the Prometheus endpoint | |
| CC_METRICS_PROMETHEUS_RESPONSE_TIMEOUT | Define the timeout in seconds to collect the application metrics. This value must be below 60 seconds as data are collected every minutes | 3 |
| CC_CLAMAV | Start the clamav and clamav-freshclam services (the database is updated every 2 hours). WARNING: Clamscan consumes a lot of resources (~ 1GB of memory), make sure you have a scaler with enough memory to avoid OOM. | false |
| CC_VARNISH_STORAGE_SIZE | Configure the size of the Varnish cache. | 1G |
| CC_DISABLE_GIT_SUBMODULES | Disable Git submodules initialization & synchronization |
Docker
| CC_DOCKERFILE | The name of the Dockerfile to build. | Dockerfile | |
| CC_MOUNT_DOCKER_SOCKET | Set to true to access the host Docker socket from inside your container. | false | |
| CC_DOCKER_EXPOSED_HTTP_PORT | Set to custom HTTP port if your Docker container runs on custom port. | 8080 | |
| CC_DOCKER_EXPOSED_TCP_PORT | Set to custom TCP port if your Docker container runs on custom port. | 4040 | |
| CC_DOCKER_FIXED_CIDR_V6 | Activate the support of IPv6 with an IPv6 subnet int the docker daemon. | ||
| CC_DOCKER_LOGIN_USERNAME | The username to login to a private registry. | ||
| CC_DOCKER_LOGIN_PASSWORD | The password of your username. | ||
| CC_DOCKER_LOGIN_SERVER | The server of your private registry (optional). | Docker’s public registry |
.NET
| CC_DOTNET_VERSION | Choose the .NET Core version between 5.0,6.0. | 6.0 | |
| CC_DOTNET_PROJ | The name of your project file to use for the build, without the .csproj / .fsproj / .vbproj extension. | ||
| CC_DOTNET_TFM | Compiles for a specific framework. The framework must be defined in the project file. Example : net5.0 | ||
| CC_DOTNET_PROFILE | Override the build configuration settings in your project. | Release | |
| CC_RUN_COMMAND | Custom command to run your application. |
Elixir
| CC_ELIXIR_VERSION | Choose the Elixir version between 1.8, 1.9, 1.10, 1.11 or 1.12 | 1.11 | |
| CC_MIX_BUILD_GOAL | The mix goal to build the application (default compile) | ||
| CC_PHOENIX_ASSETS_DIR | Folder in which your Phoenix assets are located. | ||
| CC_PHOENIX_DIGEST_GOAL | Phoenix digest goal. | phx.digest | |
| CC_PHOENIX_SERVER_GOAL | Phoenix server goal. | phx.server | |
| CC_PHOENIX_RUN_ECTO_MIGRATE | Whether to run ‘mix ecto.migrate’ or not. | true | |
| CC_RUN_COMMAND | Custom command to run your application. Replaces the default behaviour. |
Go
| CC_GO_PKG | Makes the deployer run go get ${CC_GO_PKG} instead of go get <app_id>. | ||
| CC_GO_BUILD_TOOL | Available values: gomod, gobuild, goget. Makes the deployer use go modules, go get or go build to build your application. | goget | |
| CC_GO_RUNDIR | Makes the deployer use the specified directory to run your binary. If your application must be in $GOPATH/src/company/project for your vendored dependencies, set this variable to company/project |
Haskell
| CC_RUN_COMMAND | Custom command to run your application. |
Java
| CC_SBT_TARGET_DIR | Define where pick the bin to run. | . | Then /target/universal/stage/bin is concatenated. |
| CC_SBT_TARGET_BIN | Define the bin to pick in the CC_SBT_TARGET_DIR. | The first bin found in the CC_SBT_TARGET_DIR. | |
| GRADLE_DEPLOY_GOAL | Define which gradle goals to run during build. | ||
| CC_JAVA_VERSION | Choose the JVM version between 7 to 17 for OpenJDK or graalvm-ce for GraalVM 21.0.0.2 (based on OpenJDK 11.0). | 11 | |
| MAVEN_DEPLOY_GOAL | Define which maven goals to run during build. | ||
| CC_MAVEN_PROFILES | Define which maven profile to use during default build. | ||
| NUDGE_APPID | |||
| PLAY1_VERSION | Define which play1 version to use between 1.2, 1.3, 1.4 and 1.5 | ||
| SBT_DEPLOY_GOAL | Define which sbt goals to run during build. | stage | |
| CC_JAR_PATH | Define the path to your jar. | ||
| CC_EXTRA_JAVA_ARGS | Define extra arguments to pass to ‘java’ for jars. | ||
| CC_JAR_ARGS | Define arguments to pass to the jar we launch. | ||
| CC_RUN_COMMAND | Custom command to run your application. Replaces the default behaviour. | ||
| CC_DISABLE_MAX_METASPACE | Allows to disable the Java option -XX:MaxMetaspaceSize |
Node.js
| CC_NODE_DEV_DEPENDENCIES | Control if development dependencies are installed or not. Values are either install or ignore | ignore | |
| CC_RUN_COMMAND | Define a custom command. | Example for Meteor: node .build/bundle/main.js <options> | |
| CC_NODE_BUILD_TOOL | Choose your build tool between npm, npm-ci, yarn and yarn2 | npm | |
| CC_CUSTOM_BUILD_TOOL | A custom command to run (overrride CC_NODE_BUILD_TOOL) | ||
| CC_NPM_REGISTRY | The host of your private repository, available values: github or the registry host. | registry.npmjs.org | |
| NPM_TOKEN | Private repository token |
PHP
| ALWAYS_POPULATE_RAW_POST_DATA | |||
| CC_LDAP_CA_CERT | |||
| CC_WEBROOT | Define the DocumentRoot of your project | . | |
| LDAPTLS_CACERT | |||
| ENABLE_ELASTIC_APM_AGENT | Elastic APM Agent for PHP | true if ELASTIC_APM_SERVER_URL is defined, false otherwise | |
| ENABLE_REDIS | false | ||
| HTTP_TIMEOUT | Define a custom HTTP timeout | 180 | |
| MAX_INPUT_VARS | |||
| MEMORY_LIMIT | Change the default memory limit | ||
| CC_PHP_VERSION | Choose your PHP version between 5.6, 7.2, 7.3, 7.4 and 8.0 | 7 | |
| CC_COMPOSER_VERSION | Choose your composer version between 1 and 2 | 2 | |
| CC_PHP_DEV_DEPENDENCIES | Control if development dependencies are installed or not. Values are either install or ignore | ||
| CC_CGI_IMPLEMENTATION | Choose the Apache FastCGI module between fastcgi and proxy_fcgi | fastcgi | |
| SESSION_TYPE | Choose redis to use it as session store | ||
| SOCKSIFY_EVERYTHING | |||
| USE_SOCKS | false | ||
| CC_OPCACHE_MEMORY | Set the shared opcache memory size | Default is about 1/8 of the RAM | |
| CC_OPCACHE_MAX_ACCELERATED_FILES | Maximum number of files handled by opcache. | Default depends on the scaler size | |
| CC_OPCACHE_INTERNED_STRINGS_BUFFER | The amount of memory used to store interned strings, in megabytes. | Default 4 (PHP5), 8 (PHP7) | |
| CC_OPCACHE_PRELOAD | The path of the PHP preload file (PHP version 7.4 or higher). | ||
| CC_MTA_SERVER_HOST | Host of the SMTP server | ||
| CC_MTA_SERVER_PORT | Port of the SMTP server | 465 | |
| CC_MTA_AUTH_USER | User to authenticate to the SMTP server | ||
| CC_MTA_AUTH_PASSWORD | Password to authenticate to the SMTP server | ||
| CC_MTA_USE_TLS | Enable or disable TLS when connecting to the SMTP server | true | |
| CC_MTA_AUTH_METHOD | Enable or disable authentication to the SMTP server | on | |
| CC_REALPATH_CACHE_TTL | The size of the realpath cache to be used by PHP | 120 | |
| SQREEN_API_APP_NAME | The name of your sqreen application. | ||
| SQREEN_API_TOKEN | Organization token. |
Python
| CC_PIP_REQUIREMENTS_FILE | Allows you to define a custom requirements.txt file | requirements.txt | |
| CC_PYTHON_CELERY_LOGFILE | Relative path to your Celery logfile: /path/to/logdir | ||
| CC_PYTHON_CELERY_MODULE | Specify the Celery module you want to start: mymodule | ||
| CC_PYTHON_CELERY_USE_BEAT | Set to true to activate Beat support | ||
| CC_PYTHON_MODULE | Select which module you want to start: mymodule:app. ‘mymodule’ refers to the path to the folder containing the app object. So a module called ‘server.py’ in a folder called ‘app’ would be used here as app.server:app | ||
| CC_PYTHON_MANAGE_TASKS | Comma-separated list of Django manage tasks | ||
| CC_PYTHON_USE_GEVENT | Set to true to enable Gevent | ||
| HARAKIRI | Timeout (in seconds) after which an unresponding process is killed | 180 | |
| CC_PYTHON_BACKEND | Choose the Python backend to use between daphne, gunicorn, uvicorn and uwsgi | uwsgi | |
| CC_PYTHON_VERSION | Choose the Python version between 2.7, 3.7, 3.8, 3.9 and 3.10 | ||
| PYTHON_SETUP_PY_GOAL | Custom setup goal to be launch after requirements.txt have been installed | ||
| STATIC_FILES_PATH | Relative path to where your static files are stored: path/to/static | ||
| STATIC_URL_PREFIX | The URL path under which you want to serve static file, usually /public | ||
| STATIC_WEBROOT | |||
| UWSGI_INTERCEPT_ERRORS | |||
| UWSGI_ASYNC | Number of cores to use for uWSGI asynchronous/non-blocking modes | ||
| UWSGI_ASYNC_ENGINE | Select the asynchronous engine for uWSGI (optional) | ||
| WSGI_WORKERS | Number of workers. (Defaut: automatically setup with the scaler size) | ||
| WSGI_THREADS | Number of threads per worker. (Defaut: automatically setup with the scaler size) | ||
| WSGI_BUFFER_SIZE | Buffer size (in bytes) for uploads. | 4096 | |
| WSGI_POST_BUFFERING | Maximal size (in bytes) for the headers of a request. | 4096 | |
| ENABLE_GZIP_COMPRESSION | Set to true to gzip-compress the output of uwsgi | ||
| GZIP_TYPES | Set the mime types to compress. | text/* application/json application/xml application/javascript image/svg+xml | |
| NGINX_READ_TIMEOUT | Read timeout in seconds | 300 | |
| CC_NGINX_PROXY_BUFFER_SIZE | Sets the size of the buffer used for reading the first part of the response received from the proxied server. Nginx documentation | ||
| CC_NGINX_PROXY_BUFFERS | Sets the number and size of the buffers used for reading a response from the proxied server, for a single connection. Nginx documentation |
Ruby
| CC_RACKUP_SERVER | The server to use for serving the ruby application | puma | |
| RACK_ENV | |||
| RAILS_ENV | |||
| CC_RUBY_VERSION | Choose the Ruby version to use but we strongly advise to set Ruby version in your Gemfile | ||
| CC_RAKEGOALS | A list of comma-separated rake goals to execute e.g. db:migrate, assets:precompile | ||
| CC_ENABLE_SIDEKIQ | Enable Sidekiq background process | false | |
| CC_SIDEKIQ_FILES | Specify a list of Sidekiq configuration files e.g. ./config/sidekiq_1.yml,./config/sidekiq_2.yml | ||
| STATIC_FILES_PATH | Relative path to where your static files are stored: path/to/static | ||
| STATIC_URL_PREFIX | The URL path under which you want to serve static file, usually /public | ||
| STATIC_WEBROOT | |||
| NGINX_READ_TIMEOUT | Read timeout in seconds | 300 | |
| CC_NGINX_PROXY_BUFFER_SIZE | Sets the size of the buffer used for reading the first part of the response received from the proxied server. Nginx documentation | ||
| CC_NGINX_PROXY_BUFFERS | Sets the number and size of the buffers used for reading a response from the proxied server, for a single connection. Nginx documentation |
Rust
| CC_RUST_BIN | The name of the binary to launch once built | ||
| CC_RUSTUP_CHANNEL | The rust channel to use. Use a specific channel version with stable, beta, nightly or a specific version like 1.13.0 | stable | |
| CC_RUST_FEATURES | The list of features to enable | ||
| CC_RUN_COMMAND | Custom command to run your application. |
Addons-related environment variable
FS Bucket
| BUCKET_HOST | Hostname of the bucket | X | |
| CC_FS_BUCKET | Defines which bucket to mount on which path |
MongoDB
| MONGODB_ADDON_DB | Generated upon creation | X | |
| MONGODB_ADDON_PASSWORD | Generated upon creation | X | |
| MONGODB_ADDON_USER | Generated upon creation | X |
MySQL
| MYSQL_ADDON_DB | Generated upon creation | X | |
| MYSQL_ADDON_PASSWORD | Generated upon creation | X | |
| MYSQL_ADDON_ROLE | Generated upon creation | X | |
| MYSQL_ADDON_USER | Generated upon creation | X |
ProxySQL
| CC_ENABLE_MYSQL_PROXYSQL | Enable the ProxySQL feature | false | |
| CC_MYSQL_PROXYSQL_MAX_CONNECTIONS | Defines the maximum number of connections the local ProxySQL will open to your MySQL add-on | 10 | |
| CC_MYSQL_PROXYSQL_USE_TLS | Enable or disable secured connection using TLS to your MySQL add-on | true | |
| CC_MYSQL_PROXYSQL_SOCKET_PATH | Contains the path to the Unix Datagram Socket to connect to ProxySQL | true |
PostgreSQL
| POSTGRESQL_ADDON_DB | Generated upon creation | X | |
| POSTGRESQL_ADDON_PASSWORD | Generated upon creation | X | |
| POSTGRESQL_ADDON_ROLE | Generated upon creation | X | |
| POSTGRESQL_ADDON_USER | Generated upon creation | X |
Pgpool-II
| CC_ENABLE_PGPOOL | Enables the Pgpool-II feature | false | |
| CC_PGPOOL_SOCKET_PATH | Contains the path to the Unix Datagram Socket to connect to Pgpool-II | true | |
| CC_PGPOOL_PCP_SOCKET_PATH | Contains the path to the Unix Datagram Socket to connect to PCP | true | |
| CC_PGPOOL_EXTRA_USERS | Add new user/password pairs to the pool_passwd file, separated by commas (user1:password,user2:password…) | '' | |
| CC_PGPOOL_RESERVED_CONNECTIONS | Number of reserved connections | 0 | |
| CC_PGPOOL_LISTEN_BACKLOG_MULTIPLIER | Specifies the length of connection queue from frontend to Pgpool-II | 2 | |
| CC_PGPOOL_LEADER_WEIGHT | Weight for backend 0 (Leader) | 1 | |
| CC_PGPOOL_NUM_INIT_CHILDREN | Number of concurrent sessions allowed | 16 | |
| CC_PGPOOL_MAX_POOL | Number of connection pool caches per connection | 1 | |
| CC_PGPOOL_CHILD_LIFE_TIME | Pool exits after being idle for this many seconds | 300 | |
| CC_PGPOOL_CHILD_MAX_CONNECTIONS | Pool exits after receiving that many connections | 0 (no exit) | |
| CC_PGPOOL_CONNECTION_LIFE_TIME | Connection to backend closes after being idle for this many seconds | 0 (no close) | |
| CC_PGPOOL_CLIENT_IDLE_LIMIT | Client is disconnected after being idle for that many seconds (even inside an explicit transactions!) | 0 (no disconnection) | |
| CC_PGPOOL_LOG_CONNECTIONS | Log connections | off | |
| CC_PGPOOL_LOG_DISCONNECTIONS | Log disconnections | off | |
| CC_PGPOOL_LOG_HOSTNAME | Hostname will be shown in ps status and in logs if connections are logged | off | |
| CC_PGPOOL_LOG_STATEMENT | Log all statements | off | |
| CC_PGPOOL_LOG_PER_NODE_STATEMENT | Log all statements with node and backend informations | off | |
| CC_PGPOOL_LOG_CLIENT_MESSAGES | Log any client messages | off | |
| CC_PGPOOL_LOG_STANDBY_DELAY | Log standby delay. Valid values are combinations of always, if_over_threshold and none | if_over_threshold | |
| CC_PGPOOL_CONNECTION_CACHE | Activate connection pools | on | |
| CC_PGPOOL_REPLICATE_SELECT | Replicate SELECT statements in replication mode | off | |
| CC_PGPOOL_INSERT_LOCK | Automatically locks a dummy row or a table with INSERT statements to keep SERIAL data consistency | on | |
| CC_PGPOOL_LOBJ_LOCK_TABLE | When rewriting lo_creat command in replication mode, specify table name to lock | '' | |
| CC_PGPOOL_REPLICATION_STOP_ON_MISMATCH | On disagreement with the packet kind sent from backend, degenerate the node which is most likely “minority” If off, just force to exit this session | off | |
| CC_PGPOOL_FAILOVER_IF_AFFECTED_TUPLES_MISMATCH | On disagreement with the number of affected tuples in UPDATE/DELETE queries, then degenerate the node which is most likely “minority”. If off, just abort the transaction to keep the consistency | off | |
| CC_PGPOOL_LOAD_BALANCE_MODE | Activate load balancing mode | on | |
| CC_PGPOOL_IGNORE_LEADING_WHITE_SPACE | Ignore leading white spaces of each query | on | |
| CC_PGPOOL_READ_ONLY_FUNCTION_LIST | Comma separated list of function names that don’t write to database (regexp are accepted) | '' | |
| CC_PGPOOL_WRITE_FUNCTION_LIST | Comma separated list of function names that write to database (regexp are accepted) | '' | |
| CC_PGPOOL_PRIMARY_ROUTING_QUERY_PATTERN_LIST | Semicolon separated list of query patterns that should be sent to primary node (regexp are accepted) | '' | |
| CC_PGPOOL_DATABASE_REDIRECT_PREFERENCE_LIST | Comma separated list of pairs of database and node id | '' | |
| CC_PGPOOL_APP_NAME_REDIRECT_PREFERENCE_LIST | Comma separated list of pairs of app name and node id | '' | |
| CC_PGPOOL_ALLOW_SQL_COMMENTS | If on, ignore SQL comments when judging if load balance or query cache is possible | off | |
| CC_PGPOOL_DISABLE_LOAD_BALANCE_ON_WRITE | Load balance behavior when write query is issued in an explicit transaction. Valid values are transaction, trans_transaction, dml_adaptive or always | transaction | |
| CC_PGPOOL_DML_ADAPTIVE_OBJECT_RELATIONSHIP_LIST | Comma separated list of object pairs | '' | |
| CC_PGPOOL_STATEMENT_LEVEL_LOAD_BALANCE | Enables statement level load balancing | off | |
| CC_PGPOOL_SR_CHECK_PERIOD | Streaming replication check period | 10 | |
| CC_PGPOOL_DELAY_THRESHOLD | Threshold before not dispatching query to standby node Unit is in bytes | 10000000 | |
| CC_PGPOOL_HEALTH_CHECK_PERIOD | Health check period | 20 | |
| CC_PGPOOL_HEALTH_CHECK_TIMEOUT | Health check timeout | 20 | |
| CC_PGPOOL_HEALTH_CHECK_MAX_RETRIES | Maximum number of times to retry a failed health check before giving up | 0 | |
| CC_PGPOOL_HEALTH_CHECK_RETRY_DELAY | Amount of time to wait (in seconds) between retries | 1 | |
| CC_PGPOOL_CONNECT_TIMEOUT | Timeout value in milliseconds before giving up to connect to backend | 10000 | |
| CC_PGPOOL_MEMORY_CACHE_ENABLED | Use the memory cache functionality | off | |
| CC_PGPOOL_MEMQCACHE_TOTAL_SIZE | Total memory size in bytes for storing memory cache | 64 | |
| CC_PGPOOL_MEMQCACHE_MAX_NUM_CACHE | Total number of cache entries | 1000000 | |
| CC_PGPOOL_MEMQCACHE_EXPIRE | Memory cache entry life time specified in seconds | 0 | |
| CC_PGPOOL_MEMQCACHE_AUTO_CACHE_INVALIDATION | Invalidation of query cache is triggered by corresponding DDL/DML/DCL | on | |
| CC_PGPOOL_MEMQCACHE_MAXCACHE | Maximum SELECT result size in bytes (must be smaller than MEMQCACHE_CACHE_BLOCK_SIZE) | 400 | |
| CC_PGPOOL_MEMQCACHE_CACHE_BLOCK_SIZE | Cache block size in bytes | 1 | |
| CC_PGPOOL_CACHE_SAFE_MEMQCACHE_TABLE_LIST | Comma separated list of table names to memcache that don’t write to database (regexp are accepted) | '' | |
| CC_PGPOOL_CACHE_UNSAFE_MEMQCACHE_TABLE_LIST | Comma separated list of table names not to memcache that don’t write to database (regexp are accepted) | '' |
Redis
| REDIS_HOST | Generated upon creation | X | |
| REDIS_PORT | Generated upon creation | X | |
| REDIS_PASSWORD | Generated upon creation | X |
Elastic Stack
| ELASTIC_APM_SERVER_URL | URI to connect APM Server | Generated upon creation | X |
| ES_ADDON_APM_HOST | APM Server hostname | Generated upon creation | X |
| ES_ADDON_APM_AUTH_TOKEN | Authentication token to send metrics to APM Server | Generated upon creation | X |
| ELASTIC_APM_SECRET_TOKEN | Authentication token to send metrics to APM Server | Generated upon creation | X |
| ES_ADDON_APM_USER | Username credential used by APM Server to send metrics to Elasticsearch | Generated upon creation | X |
| ES_ADDON_APM_PASSWORD | Password credential used by APM Server to send metrics to Elasticsearch | Generated upon creation | X |
| ES_ADDON_KIBANA_HOST | Kibana hostname | Generated upon creation | X |
| ES_ADDON_KIBANA_USER | Username credential used by Kibana to query Elasticsearch | Generated upon creation | X |
| ES_ADDON_KIBANA_PASSWORD | Password credential used by Kibana to query Elasticsearch | Generated upon creation | X |
| ES_ADDON_URI | URI to query Elasticsearch | Generated upon creation | X |
| ES_ADDON_HOST | Elasticsearch hostname | Generated upon creation | X |
| ES_ADDON_USER | Username credential to authenticate to Elasticsearch | Generated upon creation | X |
| ES_ADDON_PASSWORD | Password credential to authenticate to Elasticsearch | Generated upon creation | X |
| ES_ADDON_VERSION | ElasticSearch Version | 7 | X |
Pulsar
| ADDON_PULSAR_BINARY_URL | The complete URL to use in your application | Generated upon creation | X |
| ADDON_PULSAR_BINARY_PORT | The port to connect to the Pulsar Cluster | Generated upon creation | X |
| ADDON_PULSAR_HOSTNAME | The host to connect to the Pulsar Cluster | Generated upon creation | X |
| ADDON_PULSAR_HTTP_URL | The complete URL to connect with WebSocket | Generated upon creation | X |
| ADDON_PULSAR_HTTP_PORT | The port to connect with WebSocket | Generated upon creation | X |
| ADDON_PULSAR_NAMESPACE | Your add-on Pulsar ID | Generated upon creation | X |
| ADDON_PULSAR_TENANT | Your Clever Cloud tenant ID | Generated upon creation | X |
| ADDON_PULSAR_TOKEN | Your Biscuit authentication token | Generated upon creation | X |
New Relic
| NEW_RELIC_APP_NAME | Contains your New Relic account license | ||
| NEW_RELIC_LICENSE_KEY | Contains the application name |
Socks
| SOCKS_ADDON_HOST | |||
| SOCKS_ADDON_PORT | |||
| SOCKS_ADDON_PRIVATE_KEY |
VPN
The VPN addon provides a fixed-ip outgoing node. This can be used to work
with services protected by ip address filtering. VPN_ADDON_* variables will
be provided by Clever Cloud upon setup, the only configuration you have to
provide is a list of CIDRs (eg. 1.2.3.0/24) for which you want the traffic
to be routed through the exit node.
| VPN_ADDON_CRT | Client certificate | ||
| VPN_ADDON_CACRT | Server CA certificate | ||
| VPN_ADDON_KEY | Client certificate private key | ||
| VPN_ADDON_HOST | Server host or IP address | ||
| VPN_ADDON_PORT | Server port | ||
| VPN_ADDON_TAKEY | Pre-shared secret | ||
| VPN_TARGETS | Comma-separated list of CIDRs for which you want the traffic to be routed through the exit node |