Initial commit: Add Docker setup, database schema, and basic PHP application structure

db/init/001_schema.sql

@@ -0,0 +1,55 @@
+-- Identitäten
+CREATE TABLE identities (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+) ENGINE=InnoDB;
+
+-- Stammdaten (Key-Value)
+CREATE TABLE identity_fields (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    identity_id INT NOT NULL,
+    field_key VARCHAR(50) NOT NULL,
+    field_value TEXT NOT NULL,
+    FOREIGN KEY (identity_id)
+        REFERENCES identities(id)
+        ON DELETE CASCADE
+) ENGINE=InnoDB;
+
+-- Zugriffstoken (UUIDs)
+CREATE TABLE access_tokens (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    identity_id INT NOT NULL,
+    uuid CHAR(36) NOT NULL UNIQUE,
+    expires_at DATETIME NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (identity_id)
+        REFERENCES identities(id)
+        ON DELETE CASCADE
+) ENGINE=InnoDB;
+
+-- Feldrechte pro Token
+CREATE TABLE token_permissions (
+    token_id INT NOT NULL,
+    field_key VARCHAR(50) NOT NULL,
+    PRIMARY KEY (token_id, field_key),
+    FOREIGN KEY (token_id)
+        REFERENCES access_tokens(id)
+        ON DELETE CASCADE
+) ENGINE=InnoDB;
+
+-- Dateien (Bilder, PDFs, etc.)
+CREATE TABLE files (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    identity_id INT NOT NULL,
+    token_id INT NULL,
+    filename VARCHAR(255) NOT NULL,
+    stored_name VARCHAR(255) NOT NULL,
+    mime_type VARCHAR(100),
+    uploaded_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (identity_id)
+        REFERENCES identities(id)
+        ON DELETE CASCADE,
+    FOREIGN KEY (token_id)
+        REFERENCES access_tokens(id)
+        ON DELETE SET NULL
+) ENGINE=InnoDB;