dockerfile

Author: BeringLogic

Dockerfile

@@ -0,0 +1,49 @@
+# syntax=docker/dockerfile:1
+
+############################################
+# Build stage
+############################################
+FROM golang:1.24-alpine AS builder
+
+# Install build dependencies for CGO & SQLite
+RUN apk add --no-cache git gcc musl-dev sqlite-dev
+
+WORKDIR /app
+
+# Copy go modules manifests first and download deps (leverages Docker layer caching)
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy the rest of the application source
+COPY . .
+
+# Build the binary (CGO enabled so that github.com/mattn/go-sqlite3 works)
+RUN CGO_ENABLED=1 go build -v -o todo-app .
+
+############################################
+# Runtime stage
+############################################
+FROM alpine:latest AS runner
+
+# Install runtime dependencies for the compiled binary (libsqlite3 & CA certs)
+RUN apk add --no-cache ca-certificates sqlite-libs
+
+WORKDIR /app
+
+# Copy compiled binary and application assets
+COPY --from=builder /app/todo-app ./
+
+# Create data directory
+RUN mkdir /data
+
+# Ensure non-root user can write the database file
+RUN chown -R nobody:nobody /data
+
+# Expose the port used by the Go server
+EXPOSE 8081
+ENV PORT=8081
+
+# Run as non-root for security where possible
+USER nobody
+
+ENTRYPOINT ["./todo-app"]