Dockerfile

# Build stage
FROM golang:alpine AS builder

WORKDIR /app

# Install build dependencies
RUN apk add --no-cache git

# 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 from the current directory to the Working Directory inside the container
COPY . .

# Build the Go app
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o webhooktimer .

# Final stage
FROM alpine:latest

RUN apk --no-cache add ca-certificates tzdata

WORKDIR /app

# Copy the Pre-built binary file from the previous stage
COPY --from=builder /app/webhooktimer .
COPY --from=builder /app/web ./web

# Expose port 8080 to the outside world
EXPOSE 8080

# Environment variables
ENV PORT=8080
ENV DB_PATH=/data/timers.db

# Command to run the executable
CMD ["./webhooktimer"]