fix: load config

Dockerfile

@@ -0,0 +1,34 @@
+# Start from the official Golang base image version 1.22
+FROM golang:1.22-alpine as builder
+
+# Set the Current Working Directory inside the container
+WORKDIR /app
+
+# Copy go mod and sum files
+COPY go.mod go.sum ./
+
+# Download all dependencies. Dependencies will be cached if the go.mod and go.sum files are not changed
+RUN go mod download
+
+# Copy the source code into the container
+COPY . .
+
+# Build the Go app
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o webhook-listener .
+
+# Start a new stage from scratch using a slim version of Alpine for a smaller image size
+FROM alpine:latest  
+
+WORKDIR /root/
+
+# Copy the Pre-built binary file from the previous stage
+COPY --from=builder /app/webhook-listener .
+
+# Environment variable for the port, set a default value if not provided
+ENV PORT=62082
+
+# Expose the port specified by the PORT environment variable
+EXPOSE $PORT
+
+# Command to run the executable, modified to use the environment variable for the port
+CMD ["./webhook-listener"]