update Dockerfile

- changed to use contents of working directory
- add ENTRYPOINT
- cleanup /var/lib/apt/lists
- changed to use published image on README.md

.dockerignore

@@ -0,0 +1,12 @@
+.idea
+.git
+.gitignore
+.github
+.couscous
+couscous.yml
+.dockerignore
+Dockerfile
+.phpunit.result.cache
+php-profiler.log
+vendor
+lsp

Dockerfile

@@ -1,9 +1,18 @@
 FROM php:8.0-cli
+
 RUN apt-get update && apt-get install -y \
       libffi-dev \
       libzip-dev \
     && docker-php-ext-install ffi \
     && docker-php-ext-install pcntl \
-    && docker-php-ext-install zip
+    && docker-php-ext-install zip \
+    && rm -rf /var/lib/apt/lists/*
+
 COPY --from=composer /usr/bin/composer /usr/bin/composer
-RUN composer require sj-i/php-profiler
+
+WORKDIR /app
+COPY . .
+
+RUN composer install --no-dev
+
+ENTRYPOINT ["php", "php-profiler"]

README.md

@@ -305,8 +305,8 @@ If JIT is enabled at the target process, this information may be slightly inaccu
 
 ### Use in a docker container and target a process on host
 ```bash
-$ docker build -t php-profiler .
-$ docker run -it --security-opt="apparmor=unconfined" --cap-add=SYS_PTRACE --pid=host php-profiler:latest vendor/bin/php-profiler i:trace -p <pid of the target process or thread>
+$ docker pull sjidev/php-profiler
+$ docker run -it --security-opt="apparmor=unconfined" --cap-add=SYS_PTRACE --pid=host sjidev/php-profiler i:trace -p <pid of the target process or thread>
 ```
 
 ### Generate flamegraphs from traces