Initial commit

services/blinkpdf/Dockerfile

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+FROM python:3.9-slim
+
+ARG PASSWORD
+
+WORKDIR /opt
+
+RUN apt-get update && \
+    apt-get install -y nano openssh-server \
+    gcc curl 
+
+# Create ctfuser and set password
+RUN useradd -m -d /opt ctfuser && echo ctfuser:${PASSWORD} | chpasswd
+
+COPY src/ .
+
+# Restrict ctfuser access to only the working directory
+RUN chown -R ctfuser:ctfuser /opt && \
+    chmod 700 /opt
+
+# Configure SSH for ctfuser
+RUN echo "PasswordAuthentication yes" >> /etc/ssh/sshd_config && \
+    echo "PermitRootLogin no" >> /etc/ssh/sshd_config && \
+    echo "AllowUsers ctfuser" >> /etc/ssh/sshd_config
+
+# Start SSH service
+RUN ssh-keygen -A
+RUN mkdir -p /run/sshd && chmod 755 /run/sshd
+
+RUN touch /flag.txt
+
+COPY ./flag.txt /flag.txt
+
+COPY ./main.sh ./main.sh
+
+RUN pip install -r requirements.txt
+RUN chmod +x ./main.sh
+
+CMD service ssh start && ./main.sh
+
+# EXPOSE 5111
+# EXPOSE 22