Changes for Docker (Radarr#4)

* Changes for Docker

- Added code to check for EnvironmentVariables and use them if they exist
- Updates DockerFile for more effiency (if using the sdk, don't need to import the runtime as it comes with the sdk)
- Updates the DockerCompose file with new Env Variables

* Cleanup

- Removes missed debug code

Author: dabates

Dockerfile

@@ -1,4 +1,4 @@
-FROM microsoft/dotnet:2.0-sdk AS build-env
+FROM microsoft/dotnet:2.0-sdk
 WORKDIR /app
 
 # copy csproj and restore as distinct layers
@@ -9,8 +9,4 @@ RUN dotnet restore
 COPY LidarrAPI/* ./
 RUN dotnet publish -c Release -o out
 
-# build runtime image
-FROM microsoft/dotnet:2.0-runtime
-WORKDIR /app
-COPY --from=build-env /app/out ./
-ENTRYPOINT ["dotnet", "LidarrAPI.dll"]
+ENTRYPOINT ["dotnet", "out/LidarrAPI.dll"]

LidarrAPI/Startup.cs

@@ -26,7 +26,13 @@ public Startup(IConfiguration configuration, IHostingEnvironment env)
             ConfigLidarr = Config.GetSection("Lidarr").Get<Config>();
 
             env.ConfigureNLog("nlog.config");
-            
+
+            // If env variables exist, read those in instead
+            ConfigLidarr.Database = Environment.GetEnvironmentVariable("Database") ?? ConfigLidarr.Database;
+            ConfigLidarr.DataDirectory = Environment.GetEnvironmentVariable("DataDirectory") ?? ConfigLidarr.DataDirectory;
+            ConfigLidarr.ApiKey = Environment.GetEnvironmentVariable("ApiKey") ?? ConfigLidarr.ApiKey;
+            ConfigLidarr.AppVeyorApiKey = Environment.GetEnvironmentVariable("AppVeyorApiKey") ?? ConfigLidarr.AppVeyorApiKey;
+
             SetupDataDirectory();
             SetupDatadog();
         }
@@ -72,7 +78,7 @@ private void SetupDataDirectory()
             // Check data path
             if (!Path.IsPathRooted(ConfigLidarr.DataDirectory))
             {
-                throw new Exception("DataDirectory path must be absolute.");
+                throw new Exception($"DataDirectory path must be absolute.\nDataDirectory: {ConfigLidarr.DataDirectory}");
             }
 
             // Create

docker-compose.yml

@@ -18,6 +18,8 @@ services:
         environment:
             - DataDirectory=/data
             - Database="server=127.0.0.1;user id=root;password=${MYSQL_ROOT_PASSWORD};database=lidarrupdate;CharSet=utf8mb4"
+            - ApiKey=
+            - ASPNETCORE_URLS=http://0.0.0.0:5000
 
         volumes:
             - ./lidarrupdate-data:/data