[CI] Build and push a Docker image (loic-sharma#207)

Author: loic-sharma

.azure/pipelines/ci-official.yml

@@ -11,8 +11,29 @@ jobs:
   pool:
     vmImage: ubuntu-16.04
   steps:
-  - script: docker build -t baget .
+  - task: Docker@1
     displayName: Build docker image
+    inputs:
+      command: build
+      dockerFile: Dockerfile
+      imageName: loicsharma/baget:$(Build.SourceVersion)
+
+  - task: Docker@1
+    displayName: Tag latest docker image
+    condition: eq(variables['build.sourcebranch'], 'refs/heads/master')
+    inputs:
+      command: tag
+      imageName: loicsharma/baget:$(Build.SourceVersion)
+      arguments: loicsharma/baget:latest
+
+  - task: Docker@1
+    displayName: Push docker image
+    condition: eq(variables['build.sourcebranch'], 'refs/heads/master')
+    inputs:
+      command: push
+      containerRegistryType: 'Container Registry'
+      dockerRegistryEndpoint: 'Docker Hub'
+      imageName: loicsharma/baget
 
 - job: Artifacts
   pool:

docs/index.md

@@ -33,10 +33,10 @@ You will need to add the symbol location `http://localhost:5000/api/download/sym
 
 If you'd like, you can run BaGet on Docker:
 
-1. Build the docker image:
+1. Pull the latest docker image:
 
 ```
-docker build . -t baget
+docker pull loicsharma/baget
 ```
 
 2. Create a file named `baget.env` with the content:
@@ -59,7 +59,7 @@ Search__Type=Database
 4. Run:
 
 ```
-docker run --rm --name nuget-server -p 5555:80 --env-file baget.env -v "$(pwd)/baget-data:/var/baget" baget:latest
+docker run --rm --name nuget-server -p 5555:80 --env-file baget.env -v "$(pwd)/baget-data:/var/baget" loicsharma/baget:latest
 ```
 
 5. Push your first package with:
@@ -68,4 +68,4 @@ docker run --rm --name nuget-server -p 5555:80 --env-file baget.env -v "$(pwd)/b
 dotnet nuget push -s http://localhost:5555/v3/index.json -k NUGET-SERVER-API-KEY newtonsoft.json.11.0.2.nupkg
 ```
 
-6. Open the URL `http://localhost:5555/` in your browser
+6. Open the URL `http://localhost:5555/` in your browser