Add Dockerfiles and instructions for using docker containers

Dockerfile

@@ -0,0 +1,40 @@
+FROM ubuntu:bionic
+
+RUN useradd -m retdec
+WORKDIR /home/retdec
+ENV HOME /home/retdec
+
+RUN apt-get -y update && \
+	DEBIAN_FRONTEND=noninteractive apt-get install -y 	\
+	build-essential                                     \
+	cmake                                               \
+	git                                                 \
+	perl                                                \
+	python3                                             \
+	bash                                                \
+	coreutils                                           \
+	wget                                                \
+	bc                                                  \
+	doxygen                                             \
+	graphviz                                            \
+	upx                                                 \
+	flex                                                \
+	bison                                               \
+	zlib1g-dev                                          \
+	libtinfo-dev                                        \
+	autoconf                                            \
+	automake                                            \
+	pkg-config                                          \
+	m4                                                  \
+	libtool
+
+USER retdec
+RUN git clone --recursive https://github.com/avast-tl/retdec && \
+	cd retdec && \
+	mkdir build && \
+	cd build && \
+	cmake .. -DCMAKE_INSTALL_PREFIX=/home/retdec/install && \
+	make -j$(nproc) && \
+	make install
+
+ENV PATH /home/retdec/install/bin:$PATH

Dockerfile.dev

@@ -0,0 +1,45 @@
+FROM ubuntu:bionic
+
+RUN useradd -m retdec
+WORKDIR /home/retdec
+ENV HOME /home/retdec
+
+RUN apt-get -y update && \
+	DEBIAN_FRONTEND=noninteractive apt-get install -y 	\
+	build-essential                                     \
+	cmake                                               \
+	git                                                 \
+	perl                                                \
+	python3                                             \
+	bash                                                \
+	coreutils                                           \
+	wget                                                \
+	bc                                                  \
+	doxygen                                             \
+	graphviz                                            \
+	upx                                                 \
+	flex                                                \
+	bison                                               \
+	zlib1g-dev                                          \
+	libtinfo-dev                                        \
+	autoconf                                            \
+	automake                                            \
+	pkg-config                                          \
+	m4                                                  \
+	libtool
+
+# New versions of docker (>v17.09.0-ce) support the --chown flag given to COPY
+# Once this version is more wide spread, consider updating this repository's Dockerfiles
+# 	to use the new directive.
+COPY . retdec
+RUN chown -R retdec:retdec retdec
+
+USER retdec
+RUN cd retdec && \
+	mkdir build && \
+	cd build && \
+	cmake .. -DCMAKE_INSTALL_PREFIX=/home/retdec/install && \
+	make -j$(nproc) && \
+	make install
+
+ENV PATH /home/retdec/install/bin:$PATH

README.md

@@ -93,9 +93,72 @@ Currently, we support only Windows (7 or later), Linux, and unofficially macOS.
 
 ## Build and Installation
 
+### Build in Docker
+
+#### Build image
+
+Building in Docker doesn't require installation of required libraries locally.
+This is a good option for trying out retdec without setting up the whole build toolchain.
+
+To build the retdec docker image, run
+
+```
+docker build -t retdec .
+```
+
+This builds the container from the master branch of this repository.
+
+To build the container using the local copy of the repository, fully clone the repository:
+
+```
+git submodule update --init --recursive
+```
+
+Then build the container using the development Dockerfile, `Dockerfile.dev`:
+
+```
+docker build -t retdec:dev . -f Dockerfile.dev
+```
+
+#### Run container
+
+To decompile a binary, create a container to upload the binary to:
+
+```
+docker create --name retdec_init retdec
+```
+
+Upload the binary:
+Note the destination directory should be a directory with read/write permissions
+like /home/retdec/.
+
+```
+docker cp <file> retdec_init:/destination/path/of/binary
+```
+
+Commit the copied files into the container image:
+
+```
+docker commit retdec_init retdec:initialized
+```
+
+Run the decompiler:
+
+```
+docker run --name retdec retdec:initialized decompile.sh /destination/path/of/binary
+```
+
+Copy output back to host:
+
+```
+docker cp retdec:/destination/path/of/binary.c /path/to/save/file
+```
+
+### Build and install locally
+
 This section describes a manual build and installation of RetDec.
 
-### Requirements
+#### Requirements
 
 #### Linux
 
@@ -142,7 +205,7 @@ sudo dnf install git cmake make gcc gcc-c++ perl python3 bash zlib-devel flex bi
   * [wget](https://www.gnu.org/software/wget/)
   * [Python](https://www.python.org/) (version >= 3.4, macOS has 2.7)
 
-### Process
+#### Process
 
 **Warning: Currently, RetDec has to be installed into a clean, dedicated directory. Do NOT install it into `/usr`, `/usr/local`, etc. because our build system is not yet ready for system-wide installations. So, when running `cmake`, always set `-DCMAKE_INSTALL_PREFIX=<path>` to a directory that will be used just by RetDec. For more details, see [#12](https://github.com/avast-tl/retdec/issues/12).**