Update Dockerfile

Dockerfile

@@ -1,9 +1,18 @@
-FROM alpine:3.14
+# Use an official golang runtime as a parent image
+FROM golang:1.16-alpine
 
-RUN apk add --no-cache curl
+# Set the working directory in the container to /app
+WORKDIR /app
 
-RUN curl -L -o /usr/local/bin/chisel https://github.com/jpillora/chisel/releases/download/v1.7.6/chisel_1.7.6_linux_amd64.gz \
-    && gunzip /usr/local/bin/chisel \
-    && chmod +x /usr/local/bin/chisel
+# Copy the local package files to the container's workspace.
+ADD . /app
 
-ENTRYPOINT ["/usr/local/bin/chisel"]
+# Build the chisel command inside the container.
+RUN go get github.com/jpillora/chisel
+RUN go install github.com/jpillora/chisel@latest
+
+# Run the chisel command when the container starts.
+ENTRYPOINT ["chisel"]
+
+# Set default arguments for chisel
+CMD ["server", "--port", "8080"]