Add Dockerfile

Signed-off-by: Julien Riou <julien@riou.xyz>

Dockerfile

@@ -0,0 +1,11 @@
+FROM golang:1.16-alpine
+
+WORKDIR /src/
+COPY * /src/
+
+RUN apk add --update alpine-sdk \
+ && make \
+ && mv bin/restockbot /usr/local/bin/restockbot \
+ && rm -rf /src/*
+
+WORKDIR /root/

README.md

@@ -22,20 +22,15 @@ Follow [this procedure](https://github.com/jouir/twitter-login) to generate all
 * `access_token`
 * `access_token_secret`
 
-## Installation
+## Compilation
+
+### With pre-built binaries
 
 Download the latest [release](https://github.com/jouir/restockbot/releases).
 
 Ensure checksums are identical.
 
-Then execute the binary:
-
-```
-./restockbot -version
-./restockbot -help
-```
-
-## Compilation
+### With make
 
 Clone the repository:
 ```
@@ -60,6 +55,12 @@ Eventually remove produced binaries with:
 make clean
 ```
 
+### With Docker
+
+```
+docker image build -t restockbot:$(cat VERSION) .
+```
+
 ## Configuration
 
 Default file is `restockbot.json` in the current directory. The file name can be passed with the `-config` argument.
@@ -77,6 +78,20 @@ Options:
 * `exclude_regex` (optional): exclude products with a name matching this regexp
 * `browser_address` (optional): set headless browser address (ex: `http://127.0.0.1:9222`)
 
+## Usage
+
+### With binary
+
+```
+restockbot -help
+```
+
+### With Docker
+
+```
+docker run -it --name restockbot --rm --link chromium:chromium -v $(pwd):/root/ restockbot:$(cat VERSION) restockbot -help
+```
+
 ## How to contribute
 
 Lint the code with pre-commit:
@@ -166,4 +181,4 @@ Products will then be parsed.
 
 ## Disclaimer
 
-Crawling a website should be used with caution. Please check with retailers if the bot respects the terms of use for their websites. Authors of the bot are not responsible of the bot usage.
+Crawling a website should be used with caution. Please check with retailers if the bot respects the terms of use for their websites. Authors of the bot are not responsible of the bot usage.