make db connection string dynamic using environment variables

.gitignore

@@ -6,6 +6,7 @@ riderModule.iml
 .DS_Store
 .idea/
 .env
+.vs
 
 src/Zilean.Scraper/python/
 src/Zilean.ApiService/python/

docs/Writerside/snippets/compose-file.yaml

@@ -10,7 +10,10 @@ services:
     container_name: zilean
     tty: true
     environment:
-      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      POSTGRES_HOST: ${POSTGRES_HOST}         # Optional defaults to postgres
+      POSTGRES_DB: ${POSTGRES_DB}             # Optional defaults to zilean
+      POSTGRES_USER: ${POSTGRES_USER}         # Optional defaults to postgres
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD} # Optional defaults to postgres
     ports:
       - "8181:8181"
     volumes:

docs/Writerside/snippets/default-settings.json

@@ -15,7 +15,7 @@
       "EnableEndpoint": true
     },
     "Database": {
-      "ConnectionString": "Host=postgres;Database=zilean;Username=postgres;Password=$POSTGRES_PASSWORD;Include Error Detail=true;Timeout=30;CommandTimeout=3600;"
+      "ConnectionString": "Host=postgres;Database=zilean;Username=postgres;Password=postgres;Include Error Detail=true;Timeout=30;CommandTimeout=3600;"
     },
     "Torrents": {
       "EnableEndpoint": false,

docs/Writerside/snippets/settings-with-ingestion.json

@@ -15,7 +15,7 @@
       "EnableEndpoint": true
     },
     "Database": {
-      "ConnectionString": "Host=localhost;Database=zilean;Username=postgres;Password=$POSTGRES_PASSWORD;Include Error Detail=true;Timeout=30;CommandTimeout=3600;"
+      "ConnectionString": "Host=localhost;Database=zilean;Username=postgres;Password=postgres;Include Error Detail=true;Timeout=30;CommandTimeout=3600;"
     },
     "Torrents": {
       "EnableEndpoint": true,

docs/Writerside/topics/Configuration.md

@@ -67,8 +67,7 @@ _Default: `true`_
 ### Database Configuration
 **Database.ConnectionString**
 _The connection string for the PostgreSQL database._
-_$POSTGRES_PASSWORD should be replaced with the password in your .env_
-_Default: `Host=localhost;Database=zilean;Username=postgres;Password=$POSTGRES_PASSWORD;Include Error Detail=true;Timeout=30;CommandTimeout=3600;`_
+_Default: `Host=localhost;Database=zilean;Username=postgres;Password=postgres;Include Error Detail=true;Timeout=30;CommandTimeout=3600;`_
 
 The database connection string comprises of the following:
 - `Host`: The host of the database, this will usually be the `containername` if you are using docker compose of the postgres instance.

docs/Writerside/topics/Getting-Started.md

@@ -18,12 +18,6 @@ The easiest way to get up and running with %Product% is to use the provided dock
 Ensure you have the following installed:
 - Docker, Docker Desktop or Podman
 
-First, generate your postgres password with 
-
-```bash
-echo "POSTGRES_PASSWORD=$(openssl rand -base64 42 | tr -dc A-Za-z0-9 | cut -c -32 | tr -d '\n')" > .env
-```
-
 The example compose file below can be copied, and used to get the system running locally.
 
 ```yaml

src/Zilean.Shared/Features/Configuration/DatabaseConfiguration.cs

@@ -2,16 +2,34 @@ namespace Zilean.Shared.Features.Configuration;
 
 public class DatabaseConfiguration
 {
-  public string ConnectionString { get; set; }
+    public string ConnectionString { get; set; }
 
-  public DatabaseConfiguration()
-  {
-    var password = Environment.GetEnvironmentVariable("POSTGRES_PASSWORD");
-    if (string.IsNullOrWhiteSpace(password))
+    public DatabaseConfiguration()
     {
-      throw new InvalidOperationException("Environment variable POSTGRES_PASSWORD is not set.");
-    }
+        var host = Environment.GetEnvironmentVariable("POSTGRES_HOST");
+        if (string.IsNullOrWhiteSpace(host))
+        {
+            host = "postgres";
+        }
+
+        var database = Environment.GetEnvironmentVariable("POSTGRES_DB");
+        if (string.IsNullOrWhiteSpace(database))
+        {
+            database = "zilean";
+        }
+
+        var username = Environment.GetEnvironmentVariable("POSTGRES_USER");
+        if (string.IsNullOrWhiteSpace(username))
+        {
+            username = "postgres";
+        }
 
-    ConnectionString = $"Host=postgres;Database=zilean;Username=postgres;Password={password};Include Error Detail=true;Timeout=30;CommandTimeout=3600;";
-  }
+        var password = Environment.GetEnvironmentVariable("POSTGRES_PASSWORD");
+        if (string.IsNullOrWhiteSpace(password))
+        {
+            password = "postgres";
+        }
+
+        ConnectionString = $"Host={host};Database={database};Username={username};Password={password};Include Error Detail=true;Timeout=30;CommandTimeout=3600;";
+    }
 }

tests/Zilean.Tests/Fixtures/PostgresLifecycleFixture.cs

@@ -5,9 +5,10 @@ public class PostgresLifecycleFixture : IAsyncLifetime
     private PostgreSqlContainer PostgresContainer { get; } = new PostgreSqlBuilder()
         .WithImage("postgres:16.3-alpine3.20")
         .WithPortBinding(5432, 5432)
+        .WithEnvironment("POSTGRES_HOST", "postgres")
+        .WithEnvironment("POSTGRES_DB", "zilean")
         .WithEnvironment("POSTGRES_USER", "postgres")
         .WithEnvironment("POSTGRES_PASSWORD", "postgres")
-        .WithEnvironment("POSTGRES_DB", "zilean")
         .Build();
 
     public ZileanConfiguration ZileanConfiguration { get; } = new();