Updated for newer code

Dockerfile

-FROM ubuntu:20.04
+FROM ubuntu:22.04
 
-ENV TZ="America/New_York"
+ENV TZ="Europe/Amsterdam"
 RUN apt-get update && \
     apt-get install -yq tzdata && \
-    ln -fs /usr/share/zoneinfo/America/New_York /etc/localtime && \
+    ln -fs /usr/share/zoneinfo/Europe/Amsterdam /etc/localtime && \
     dpkg-reconfigure -f noninteractive tzdata && \
     apt install -y build-essential cmake zlib1g-dev git libeigen3-dev
 
@@ -12,10 +12,11 @@ WORKDIR /build
 # Build and install libcifpp
 # https://github.com/PDB-REDO/libcifpp
 RUN cd /build && \
-    git clone https://github.com/PDB-REDO/libcifpp.git --recurse-submodules && \
+    git clone https://github.com/PDB-REDO/libcifpp.git && \
     cd libcifpp && \
-    cmake -S . -B build -DCMAKE_INSTALL_PREFIX=/root/.local -DCMAKE_BUILD_TYPE=Release && \
-    cmake --build build && \
+    cmake -S . -B build -DCMAKE_BUILD_TYPE=Release \
+		-DBUILD_TESTING=OFF -DCIFPP_DOWNLOAD_CCD=OFF && \
+    cmake --build build -j $(nproc) && \
     cmake --install build && \
     echo "libcifpp installed"
 
@@ -24,19 +25,18 @@ RUN cd /build && \
 RUN cd /build && \
     git clone https://github.com/mhekkel/libmcfp.git && \
     cd libmcfp && \
-    mkdir build && \
-    cd build && \
-    cmake .. && \
-    cmake --build . && \
-    cmake --install . && \
+    cmake -S . -B build -DBUILD_TESTING=OFF && \
+    cmake --build build -j $(nproc) && \
+    cmake --install build && \
     echo "libmcfp installed"
 
 # Build and install dssp
 COPY . /src
 RUN cd /src && \
+	rm -rf build && \
     mkdir build && \
-    cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/root/.local/lib/cmake/cifpp/ && \
-    cmake --build build && \
+    cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTING=OFF && \
+    cmake --build build -j $(nproc) && \
     cmake --install build && \
     echo "dssp installed" && \
     rm -rf /src /build

README.md

@@ -33,7 +33,7 @@ Make sure you install [libcif++](https://github.com/PDB-REDO/libcifpp) and [libm
 
 After that, building should be as easy as typing:
 
-```bash
+```console
 git clone https://github.com/PDB-REDO/dssp.git
 cd dssp
 mkdir build
@@ -50,21 +50,28 @@ See [manual page](doc/mkdssp.md) for more info. Or even better, see the [DSSP we
 Docker
 ------
 
-Build the image yourself: 
+Build the image yourself:
 
-```bash
+```console
 git clone https://github.com/PDB-REDO/dssp.git
-docker build -t dssp .
+cd dssp
+sudo docker build -t dssp .
 ```
 
 Or pull from Docker Hub:
 
-```bash
-docker pull stephenturner/dssp && docker tag stephenturner/dssp dssp
+```console
+sudo docker pull stephenturner/dssp && docker tag stephenturner/dssp dssp
 ```
 
 Usage:
 
-```bash
-docker run --rm dssp
-```
\ No newline at end of file
+```console
+sudo docker run --rm dssp
+```
+
+To run dssp on the file `/srv/data/pdb/pdb/cb/pdb1cbs.ent.gz`:
+
+```console
+sudo docker run --rm -it -v /srv/data/pdb/pdb:/tmp/pdb dssp /tmp/pdb/cb/pdb1cbs.ent.gz
+```