upload

Dockerfile.dev

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+FROM golang:1.24.5-alpine AS builder
+
+WORKDIR /app
+
+# Install build dependencies
+RUN apk add --no-cache gcc musl-dev git
+
+# Copy go mod and sum files
+COPY go.mod go.sum ./
+
+# Configure Go proxy with fallback and download dependencies with retry
+ENV GOPROXY=https://proxy.golang.org,direct
+ENV GOPRIVATE=
+ENV GOSUMDB=sum.golang.org
+
+# Download all dependencies with retry logic and cache mount
+RUN --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    for i in 1 2 3 4 5; do \
+        go mod download && break || \
+        (echo "Attempt $i failed, retrying in 5s..." && sleep 5); \
+    done && \
+    go mod verify
+
+# Copy the source code
+COPY . .
+
+# Build the application with cache mount and optimizations
+RUN --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
+    go build -ldflags="-w -s" -trimpath -o main .
+
+# Use a smaller image for the final container
+FROM alpine:latest
+
+WORKDIR /app
+
+# Copy the binary from builder
+COPY --from=builder /app/main .
+
+# Copy static files and templates
+COPY --from=builder /app/static ./static
+COPY --from=builder /app/templates ./templates
+
+# Expose port
+EXPOSE 8080
+
+# Command to run the executable
+CMD ["./main"]