98 lines
2.5 KiB
Docker
98 lines
2.5 KiB
Docker
# Dockerfile
|
|
# Build arguments
|
|
ARG GO_VERSION=1.24.3
|
|
ARG ALPINE_VERSION=3.19
|
|
ARG APP_USER=appuser
|
|
ARG APP_GROUP=appgroup
|
|
|
|
# --- Builder Stage ---
|
|
FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-alpine AS builder
|
|
|
|
# Install build dependencies
|
|
RUN apk add --no-cache git make gcc libc-dev
|
|
|
|
# Set working directory
|
|
WORKDIR /build
|
|
|
|
# Enable Go modules and set build environment variables
|
|
ENV GO111MODULE=on \
|
|
CGO_ENABLED=0 \
|
|
GOOS=linux \
|
|
GOARCH=amd64
|
|
|
|
# Copy dependency files first for better layer caching
|
|
COPY go.mod go.sum ./
|
|
|
|
# Download dependencies using cache mount for efficiency
|
|
RUN --mount=type=cache,target=/go/pkg/mod \
|
|
go mod download
|
|
|
|
# Copy source code
|
|
COPY . .
|
|
|
|
# Create the configs directory in the build context (if it exists)
|
|
RUN if test -d "configs"; then mkdir -p /build/configs && cp -r configs/* /build/configs/; fi
|
|
|
|
# Build the application with optimizations and version info
|
|
RUN --mount=type=cache,target=/root/.cache/go-build \
|
|
go build -ldflags="-w -s -X 'main.Version=$(git describe --tags --always 2>/dev/null || echo 'dev')'" \
|
|
-o /build/bin/app ./src/cmd/api # Update path to your main package
|
|
|
|
# --- Final Stage ---
|
|
FROM alpine:${ALPINE_VERSION}
|
|
|
|
# Re-declare ARG to use in this stage
|
|
ARG APP_USER
|
|
ARG APP_GROUP
|
|
ARG APP_HOME=/app
|
|
|
|
# Set runtime environment variables
|
|
ENV TZ=Asia/Ho_Chi_Minh \
|
|
APP_USER=${APP_USER} \
|
|
APP_GROUP=${APP_GROUP} \
|
|
APP_HOME=${APP_HOME} \
|
|
APP_ENV=production
|
|
|
|
# Install runtime dependencies
|
|
RUN apk add --no-cache \
|
|
ca-certificates \
|
|
tzdata \
|
|
tini \
|
|
&& rm -rf /var/cache/apk/*
|
|
|
|
# Create app user and group
|
|
RUN addgroup -S ${APP_GROUP} && \
|
|
adduser -S -G ${APP_GROUP} -h ${APP_HOME} -D ${APP_USER}
|
|
|
|
# Create necessary application directories
|
|
RUN mkdir -p ${APP_HOME}/configs ${APP_HOME}/logs ${APP_HOME}/storage
|
|
|
|
# Switch to app directory
|
|
WORKDIR ${APP_HOME}
|
|
|
|
# Copy binary and configs from builder
|
|
COPY --from=builder --chown=${APP_USER}:${APP_GROUP} /build/bin/app .
|
|
COPY --from=builder --chown=${APP_USER}:${APP_GROUP} /build/configs ./configs/
|
|
|
|
# Set file permissions
|
|
RUN chmod +x ./app && \
|
|
chown -R ${APP_USER}:${APP_GROUP} ${APP_HOME}
|
|
|
|
# Health check
|
|
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
|
|
CMD wget --no-verbose --tries=1 --spider http://localhost:3000/health || exit 1
|
|
|
|
# Switch to non-root user
|
|
USER ${APP_USER}
|
|
|
|
# Default command
|
|
CMD ["./app"]
|
|
|
|
# Expose port
|
|
EXPOSE 3000
|
|
|
|
# Set environment variable for production
|
|
ENV APP_ENV=production
|
|
|
|
# Command to run the application
|
|
ENTRYPOINT ["/sbin/tini", "--"] |