Dockerfile.proxy

FROM eclipse-temurin:25-jdk

WORKDIR /app

# Install jq for JSON manipulation
RUN apt-get update && apt-get install -y jq expect netcat-traditional && apt-get clean


# Download Velocity proxy JAR
ADD https://fill-data.papermc.io/v1/objects/ef1a852bfae7397e84907837925e7ad21c6312066290edaae401b77f6f423ac3/velocity-3.4.0-SNAPSHOT-558.jar velocity.jar

# Download SkyBlockProxy.jar
ADD https://github.com/Swofty-Developments/HypixelSkyBlock/releases/download/latest/SkyBlockProxy.jar plugins/SkyBlockProxy.jar

# Copy configuration data
COPY ./configuration /app/configuration_files


# Run Velocity and send "shutdown" to the console
RUN expect <<EOF
spawn java -jar velocity.jar
expect ">"
send "shutdown\r"
expect eof
EOF

# Remove velocity.toml
RUN rm velocity.toml

# Add back our velocity.toml
RUN cp configuration_files/velocity.toml velocity.toml

# Download resources.json
RUN mkdir -p configuration

RUN cp configuration_files/resources.json ./configuration/resources.json


# Get Contents of the forwarding secret and add it to resources.json
RUN secret=$(cat forwarding.secret) && \
    jq --arg secret "$secret" '.["velocity-secret"] = $secret' ./configuration/resources.json > ./configuration/resources.json.tmp && \
    mv ./configuration/resources.json.tmp ./configuration/resources.json

# Expose the required port
EXPOSE 25565

# Start the Velocity proxy and Copy the Forward.secret to the config files for use by other Dockerfiles
CMD ["sh", "-c", "cp forwarding.secret /app/configuration_files/forwarding.secret && java -jar velocity.jar"]