FROM alpine:latest

# Install dependencies

RUN apk --no-cache add ca-certificates libc6-compat

# Create a non-root user

RUN addgroup -g 1000 dcs && \

adduser -D -u 1000 -G dcs dcs

# Create working directory

WORKDIR /app

# Copy the executable

COPY bin/linux/DCS-API /app/DCS-API

# Verify that the file exists and set permissions

RUN ls -la /app/DCS-API && \

chmod +x /app/DCS-API && \

chown -R dcs:dcs /app

# Pass to the non-root user

USER dcs

# Define port as build argument with default value

ARG PORT=8080

# Set port as environment variable and expose it

ENV PORT=${PORT}

EXPOSE ${PORT}

# Note: Sensitive environment variables (e.g. GC_PRIVATE_KEY, GC_ADDRESS, GC_WALLET_GAS_ID, etc.)

# must be passed at runtime using --env-file or -e flags.

# Entrypoint to execute the application

ENTRYPOINT ["/app/DCS-API"]