Fixed Dockerfile

- Added rust requirements for cryptography.
- Removed installing requirements.txt as it's no longer needed.
- Added a call to `--download-plugins` to ensure plugins are bundled automatically.

Dockerfile

@@ -8,23 +8,24 @@ RUN set -eux \
 		linux-headers \
 		openssl-dev \
 		python3 \
-		python3-dev
+		python3-dev \
+		musl-dev \
+		cargo
 
 # Install pip
 RUN set -eux \
 	&& python3 -m ensurepip
 
 # Ensure pip is up to date
 RUN set -eux \
-	&& python3 -m pip install -U pip setuptools wheel
+	&& python3 -m pip install -U pip setuptools wheel setuptools_rust
 
 # Copy pwncat source
 COPY . /pwncat
 
 # Setup pwncat
 RUN set -eux \
 	&& cd /pwncat \
-  && python3 -m pip install -r requirements.txt \
 	&& python3 setup.py install
 
 # Cleanup
@@ -45,6 +46,8 @@ RUN set -eux \
 COPY --from=builder /usr/bin/pwncat /usr/bin/pwncat
 COPY --from=builder /usr/lib/python3.8 /usr/lib/python3.8
 
+RUN python3 -m pwncat --download-plugins
+
 # Set working directory
 WORKDIR /work
 ENTRYPOINT ["/usr/bin/pwncat"]