diff --git a/Dockerfile b/Dockerfile
index ab61cf88..5d71dad7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,12 +7,12 @@ ARG ZIG_V8=v0.1.37
 ARG TARGETPLATFORM
 
 RUN apt-get update -yq && \
-    apt-get install -yq xz-utils \
-        python3 ca-certificates git \
-        pkg-config libglib2.0-dev \
-        gperf libexpat1-dev \
-        cmake clang \
-        curl git
+    apt-get install -yq xz-utils ca-certificates \
+        clang make curl git
+
+# Get Rust
+RUN curl https://sh.rustup.rs -sSf | sh -s -- --profile minimal -y
+ENV PATH="/root/.cargo/bin:${PATH}"
 
 # install minisig
 RUN curl --fail -L -O https://github.com/jedisct1/minisign/releases/download/${MINISIG}/minisign-${MINISIG}-linux.tar.gz && \
@@ -49,7 +49,7 @@ RUN case $TARGETPLATFORM in \
     mv libc_v8.a v8/libc_v8.a
 
 # build release
-RUN zig build -Doptimize=ReleaseSafe -Dprebuilt_v8_path=v8/libc_v8.a -Dgit_commit=$$(git rev-parse --short HEAD)
+RUN zig build -Doptimize=ReleaseFast -Dprebuilt_v8_path=v8/libc_v8.a -Dgit_commit=$(git rev-parse --short HEAD)
 
 FROM debian:stable-slim
 
diff --git a/Makefile b/Makefile
index 8a25cb1b..d0230a78 100644
--- a/Makefile
+++ b/Makefile
@@ -114,14 +114,11 @@ end2end:
 
 # Install and build required dependencies commands
 # ------------
-.PHONY: install install-dev
+.PHONY: install
 
 ## Install and build dependencies for release
 install: install-submodule
 
-## Install and build dependencies for dev
-install-dev: install-submodule
-
 data:
 	cd src/data && go run public_suffix_list_gen.go > public_suffix_list.zig
 
diff --git a/README.md b/README.md
index 79194354..a854ad00 100644
--- a/README.md
+++ b/README.md
@@ -169,41 +169,30 @@ Lightpanda is written with [Zig](https://ziglang.org/) `0.15.2`. You have to
 install it with the right version in order to build the project.
 
 Lightpanda also depends on
-[zig-js-runtime](https://github.com/lightpanda-io/zig-js-runtime/) (with v8) and
-[Libcurl](https://curl.se/libcurl/).
+[zig-js-runtime](https://github.com/lightpanda-io/zig-js-runtime/) (with v8),
+[Libcurl](https://curl.se/libcurl/) and [html5ever](https://github.com/servo/html5ever).
 
 To be able to build the v8 engine for zig-js-runtime, you have to install some libs:
 
-For Debian/Ubuntu based Linux:
+For **Debian/Ubuntu based Linux**:
 
 ```
-sudo apt install xz-utils \
-    python3 ca-certificates git \
-    pkg-config libglib2.0-dev \
-    gperf libexpat1-dev unzip rsync \
-    cmake clang
+sudo apt install xz-utils ca-certificates \
+    clang make curl git
 ```
+You also need to [install Rust](https://rust-lang.org/tools/install/).
 
-For systems with [Nix](https://nixos.org/download/), you can use the devShell:
+For systems with [**Nix**](https://nixos.org/download/), you can use the devShell:
 ```
 nix develop
 ```
 
-For MacOS, you only need cmake:
-
+For **MacOS**, you need cmake and [Rust](https://rust-lang.org/tools/install/).
 ```
 brew install cmake
 ```
 
-### Install and build dependencies
-
-#### All in one build
-
-You can run `make install` to install deps all in one (or `make install-dev` if you need the development versions).
-
-Be aware that the build task is very long and cpu consuming, as you will build from sources all dependencies, including the v8 Javascript engine.
-
-#### Step by step build dependency
+### Install Git submodules
 
 The project uses git submodules for dependencies.
 
@@ -213,15 +202,14 @@ To init or update the submodules in the `vendor/` directory:
 make install-submodule
 ```
 
-**html5ever**
+This is an alias for `git submodule init && git submodule update`.
 
-[html5ver](https://github.com/servo/html5ever) is high-performance browser-grade HTML5 parser.
+### Build and run
 
-```
-zig build html5ever
-```
+You an build the entire browser with `make build` or `make build-dev` for debug
+env.
 
-For a release build, use `zig build -Doptimize=ReleaseFast html5ever`.
+But you can directly use the zig command: `zig build run`.
 
 ## Test