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The EdgeTimer backend reads all external configuration from environment variables loaded by @nestjs/config at startup. The three Supabase connection variables are required — the server throws immediately if any are absent. The storage bucket variables are optional and fall back to the default bucket names provisioned in a standard Supabase project. Place these variables in a .env file in the backend/ directory for local development. In production, set them as environment variables on your hosting platform (for example, Heroku config vars).
Never commit SUPABASE_SERVICE_ROLE_KEY to source control. This key bypasses all Supabase Row Level Security (RLS) policies and grants full database access. Add .env to your .gitignore before your first commit.

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Supabase connection

These three variables are required. The application throws an error at startup if any are missing.
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SUPABASE_URL
string
required
The base URL of your Supabase project, for example https://abcdefgh.supabase.co. Found in the Supabase dashboard under Project Settings → API → Project URL.
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SUPABASE_KEY
string
required
The anon (public) API key for your project. Used to create the user-scoped supabase client that respects Row Level Security policies. Found in the Supabase dashboard under Project Settings → API → Project API keys → anon public.
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SUPABASE_SERVICE_ROLE_KEY
string
required
The service role secret key. Used to create the supabaseAdmin client that bypasses RLS for privileged server-side queries and storage operations. Found in the Supabase dashboard under Project Settings → API → Project API keys → service_role.

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Supabase Storage buckets

These variables configure which Supabase Storage buckets are used when uploading and resolving barber and client profile photos. All are optional; if omitted the defaults shown below are used. The service tries each bucket in order and falls back to the next if the bucket is not found, which makes it straightforward to migrate bucket names without a code change.
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SUPABASE_STORAGE_BUCKET_BARBEROS
string
default:"barberos"
Primary bucket for barber profile photo uploads.
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SUPABASE_STORAGE_BUCKET_BARBERO
string
default:"barbero"
Fallback bucket for barber profile photos, tried if SUPABASE_STORAGE_BUCKET_BARBEROS is not found.
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SUPABASE_STORAGE_BUCKET_CLIENTES
string
default:"clientes"
Primary bucket for client profile photo uploads.
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SUPABASE_STORAGE_BUCKET_CLIENTE
string
default:"cliente"
Fallback bucket for client profile photos, tried if SUPABASE_STORAGE_BUCKET_CLIENTES is not found.
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SUPABASE_STORAGE_BUCKET_PUBLIC
string
default:"public"
Final fallback bucket used for both barber and client photo uploads when the primary and secondary buckets are not found.

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Example .env

.env
# Required — Supabase connection
SUPABASE_URL=https://abcdefghijkl.supabase.co
SUPABASE_KEY=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...
SUPABASE_SERVICE_ROLE_KEY=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...

# Optional — Storage bucket names (shown with their defaults)
SUPABASE_STORAGE_BUCKET_BARBEROS=barberos
SUPABASE_STORAGE_BUCKET_BARBERO=barbero
SUPABASE_STORAGE_BUCKET_CLIENTES=clientes
SUPABASE_STORAGE_BUCKET_CLIENTE=cliente
SUPABASE_STORAGE_BUCKET_PUBLIC=public

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