Basic Blog schema for DB

schema.sql

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+CREATE TABLE users (
+    id SERIAL PRIMARY KEY,
+    username VARCHAR(50) UNIQUE NOT NULL,
+    password_hash VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE posts (
+    id SERIAL PRIMARY KEY,
+    title VARCHAR(255) NOT NULL,
+    slug VARCHAR(255) UNIQUE NOT NULL,
+    markdown_content TEXT NOT NULL,
+    compiled_content TEXT NOT NULL,
+    status VARCHAR(20) NOT NULL DEFAULT 'draft', -- draft, published
+    published_at TIMESTAMP WITH TIME ZONE,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    author_id INTEGER REFERENCES users(id)
+);
+
+CREATE TABLE tags (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR(50) UNIQUE NOT NULL,
+    slug VARCHAR(50) UNIQUE NOT NULL
+);
+
+CREATE TABLE posts_tags (
+    post_id INTEGER REFERENCES posts(id) ON DELETE CASCADE,
+    tag_id INTEGER REFERENCES tags(id) ON DELETE CASCADE,
+    PRIMARY KEY (post_id, tag_id)
+);
+
+CREATE TABLE images (
+    id SERIAL PRIMARY KEY,
+    filename VARCHAR(255) NOT NULL,
+    url VARCHAR(255) NOT NULL,
+    post_id INTEGER REFERENCES posts(id) ON DELETE CASCADE,
+    uploaded_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+);