diff --git a/src/development/stack.env.template b/src/development/stack.env.template
index d3a57504..7ce6ebd0 100644
--- a/src/development/stack.env.template
+++ b/src/development/stack.env.template
@@ -7,4 +7,5 @@ S3_TUSD_ENDPOINT=http://minio:9000
 S3_TUSD_REGION=eu-central-1
 TURNSTILE_SITE_KEY=1x00000000000000000000AA
 TURNSTILE_SECRET_KEY=1x0000000000000000000000000000000AA
+MAEVSI_NUXT_PRIVATE_OPENAI_API_KEY=
 TUSD_MAX_SIZE=1048576
diff --git a/src/development/stack.yml b/src/development/stack.yml
index fea2e47b..26694bc6 100644
--- a/src/development/stack.yml
+++ b/src/development/stack.yml
@@ -190,6 +190,7 @@ services:
       NUXT_PUBLIC_SITE_URL: https://${STACK_DOMAIN}
       NUXT_PUBLIC_TURNSTILE_SITE_KEY: ${TURNSTILE_SITE_KEY}
       NUXT_TURNSTILE_SECRET_KEY: ${TURNSTILE_SECRET_KEY} # TODO: move to file (https://github.com/nuxt-modules/turnstile/pull/298)
+      NUXT_PRIVATE_OPENAI_API_KEY: ${MAEVSI_NUXT_PRIVATE_OPENAI_API_KEY}
       POSTGRAPHILE_JWT_PUBLIC_KEY_FILE: /run/config/postgraphile_jwt-public-key
       POSTGRES_DB_FILE: /run/secrets/postgres_db
       POSTGRES_ROLE_MAEVSI_TUSD_PASSWORD_FILE: /run/secrets/postgres_role_maevsi-tusd_password
diff --git a/src/production/production.yml b/src/production/production.yml
index f900867e..74555c46 100644
--- a/src/production/production.yml
+++ b/src/production/production.yml
@@ -74,6 +74,7 @@ services:
       NUXT_PUBLIC_TURNSTILE_SITE_KEY: ${TURNSTILE_SITE_KEY}
       NUXT_PUBLIC_VIO_ENVIRONMENT: beta
       NUXT_TURNSTILE_SECRET_KEY: ${TURNSTILE_SECRET_KEY}
+      NUXT_PRIVATE_OPENAI_API_KEY: ${MAEVSI_NUXT_PRIVATE_OPENAI_API_KEY}
       POSTGRAPHILE_JWT_PUBLIC_KEY_FILE: /run/config/postgraphile_jwt-public-key
       POSTGRES_DB_FILE: /run/secrets/postgres_db
       POSTGRES_ROLE_MAEVSI_TUSD_PASSWORD_FILE: /run/secrets/postgres_role_maevsi-tusd_password